18201820000

素因数分解:

$2^5\times 5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:260

約数の個数: 480

約数和(自身を含む): 56275636032

約数和(自身を除く): 38073816032

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 50, 52, 56, 65, 70, 73, 80, 91, 100, 104, 112, 125, 130, 137, 140, 146, 160, 175, 182, 200, 208, 224, 250, 260, 274, 280, 292, 325, 350, 364, 365, 400, 416, 455, 500, 511, 520, 548, 560, 584, 625, 650, 685, 700, 728, 730, 800, 875, 910, 949, 959, 1000, 1022, 1040, 1096, 1120, 1168, 1250, 1300, 1370, 1400, 1456, 1460, 1625, 1750, 1781, 1820, 1825, 1898, 1918, 2000, 2044, 2080, 2192, 2275, 2336, 2500, 2555, 2600, 2740, 2800, 2912, 2920, 3250, 3425, 3500, 3562, 3640, 3650, 3796, 3836, 4000, 4088, 4375, 4384, 4550, 4745, 4795, 5000, 5110, 5200, 5480, 5600, 5840, 6500, 6643, 6850, 7000, 7124, 7280, 7300, 7592, 7672, 8125, 8176, 8750, 8905, 9100, 9125, 9490, 9590, 10000, 10001, 10220, 10400, 10960, 11375, 11680, 12467, 12775, 13000, 13286, 13700, 14000, 14248, 14560, 14600, 15184, 15344, 16250, 16352, 17125, 17500, 17810, 18200, 18250, 18980, 19180, 20000, 20002, 20440, 21920, 22750, 23725, 23975, 24934, 25550, 26000, 26572, 27400, 28000, 28496, 29200, 30368, 30688, 32500, 33215, 34250, 35000, 35620, 36400, 36500, 37960, 38360, 40004, 40880, 44525, 45500, 45625, 47450, 47950, 49868, 50005, 51100, 52000, 53144, 54800, 56875, 56992, 58400, 62335, 63875, 65000, 66430, 68500, 70000, 70007, 71240, 72800, 73000, 75920, 76720, 80008, 81760, 85625, 89050, 91000, 91250, 94900, 95900, 99736, 100010, 102200, 106288, 109600, 113750, 118625, 119875, 124670, 127750, 130000, 130013, 132860, 137000, 140000, 140014, 142480, 146000, 151840, 153440, 160016, 166075, 171250, 178100, 182000, 182500, 189800, 191800, 199472, 200020, 204400, 212576, 222625, 227500, 237250, 239750, 249340, 250025, 255500, 260000, 260026, 265720, 274000, 280028, 284960, 292000, 311675, 319375, 320032, 332150, 342500, 350035, 356200, 364000, 365000, 379600, 383600, 398944, 400040, 408800, 445250, 455000, 474500, 479500, 498680, 500050, 511000, 520052, 531440, 548000, 560056, 593125, 599375, 623350, 638750, 650065, 664300, 685000, 700070, 712400, 730000, 759200, 767200, 800080, 830375, 890500, 910000, 910091, 949000, 959000, 997360, 1000100, 1022000, 1040104, 1062880, 1113125, 1120112, 1186250, 1198750, 1246700, 1250125, 1277500, 1300130, 1328600, 1370000, 1400140, 1424800, 1460000, 1558375, 1600160, 1660750, 1750175, 1781000, 1820000, 1820182, 1898000, 1918000, 1994720, 2000200, 2044000, 2080208, 2226250, 2240224, 2372500, 2397500, 2493400, 2500250, 2555000, 2600260, 2657200, 2740000, 2800280, 3116750, 3250325, 3321500, 3500350, 3562000, 3640364, 3796000, 3836000, 4000400, 4151875, 4160416, 4452500, 4550455, 4745000, 4795000, 4986800, 5000500, 5110000, 5200520, 5314400, 5600560, 6233500, 6250625, 6500650, 6643000, 7000700, 7124000, 7280728, 7791875, 8000800, 8303750, 8750875, 8905000, 9100910, 9490000, 9590000, 9973600, 10001000, 10220000, 10401040, 11201120, 12467000, 12501250, 13001300, 13286000, 14001400, 14561456, 15583750, 16251625, 16607500, 17501750, 17810000, 18201820, 18980000, 19180000, 20002000, 20802080, 22752275, 24934000, 25002500, 26002600, 26572000, 28002800, 29122912, 31167500, 32503250, 33215000, 35003500, 35620000, 36403640, 40004000, 43754375, 45504550, 49868000, 50005000, 52005200, 56005600, 62335000, 65006500, 66430000, 70007000, 72807280, 81258125, 87508750, 91009100, 100010000, 104010400, 113761375, 124670000, 130013000, 132860000, 140014000, 145614560, 162516250, 175017500, 182018200, 200020000, 227522750, 249340000, 260026000, 280028000, 325032500, 350035000, 364036400, 455045500, 520052000, 568806875, 650065000, 700070000, 728072800, 910091000, 1137613750, 1300130000, 1400140000, 1820182000, 2275227500, 2600260000, 3640364000, 4550455000, 9100910000, 18201820000]

約数ペア:

[(1, 18201820000), (2, 9100910000), (4, 4550455000), (5, 3640364000), (7, 2600260000), (8, 2275227500), (10, 1820182000), (13, 1400140000), (14, 1300130000), (16, 1137613750), (20, 910091000), (25, 728072800), (26, 700070000), (28, 650065000), (32, 568806875), (35, 520052000), (40, 455045500), (50, 364036400), (52, 350035000), (56, 325032500), (65, 280028000), (70, 260026000), (73, 249340000), (80, 227522750), (91, 200020000), (100, 182018200), (104, 175017500), (112, 162516250), (125, 145614560), (130, 140014000), (137, 132860000), (140, 130013000), (146, 124670000), (160, 113761375), (175, 104010400), (182, 100010000), (200, 91009100), (208, 87508750), (224, 81258125), (250, 72807280), (260, 70007000), (274, 66430000), (280, 65006500), (292, 62335000), (325, 56005600), (350, 52005200), (364, 50005000), (365, 49868000), (400, 45504550), (416, 43754375), (455, 40004000), (500, 36403640), (511, 35620000), (520, 35003500), (548, 33215000), (560, 32503250), (584, 31167500), (625, 29122912), (650, 28002800), (685, 26572000), (700, 26002600), (728, 25002500), (730, 24934000), (800, 22752275), (875, 20802080), (910, 20002000), (949, 19180000), (959, 18980000), (1000, 18201820), (1022, 17810000), (1040, 17501750), (1096, 16607500), (1120, 16251625), (1168, 15583750), (1250, 14561456), (1300, 14001400), (1370, 13286000), (1400, 13001300), (1456, 12501250), (1460, 12467000), (1625, 11201120), (1750, 10401040), (1781, 10220000), (1820, 10001000), (1825, 9973600), (1898, 9590000), (1918, 9490000), (2000, 9100910), (2044, 8905000), (2080, 8750875), (2192, 8303750), (2275, 8000800), (2336, 7791875), (2500, 7280728), (2555, 7124000), (2600, 7000700), (2740, 6643000), (2800, 6500650), (2912, 6250625), (2920, 6233500), (3250, 5600560), (3425, 5314400), (3500, 5200520), (3562, 5110000), (3640, 5000500), (3650, 4986800), (3796, 4795000), (3836, 4745000), (4000, 4550455), (4088, 4452500), (4375, 4160416), (4384, 4151875), (4550, 4000400), (4745, 3836000), (4795, 3796000), (5000, 3640364), (5110, 3562000), (5200, 3500350), (5480, 3321500), (5600, 3250325), (5840, 3116750), (6500, 2800280), (6643, 2740000), (6850, 2657200), (7000, 2600260), (7124, 2555000), (7280, 2500250), (7300, 2493400), (7592, 2397500), (7672, 2372500), (8125, 2240224), (8176, 2226250), (8750, 2080208), (8905, 2044000), (9100, 2000200), (9125, 1994720), (9490, 1918000), (9590, 1898000), (10000, 1820182), (10001, 1820000), (10220, 1781000), (10400, 1750175), (10960, 1660750), (11375, 1600160), (11680, 1558375), (12467, 1460000), (12775, 1424800), (13000, 1400140), (13286, 1370000), (13700, 1328600), (14000, 1300130), (14248, 1277500), (14560, 1250125), (14600, 1246700), (15184, 1198750), (15344, 1186250), (16250, 1120112), (16352, 1113125), (17125, 1062880), (17500, 1040104), (17810, 1022000), (18200, 1000100), (18250, 997360), (18980, 959000), (19180, 949000), (20000, 910091), (20002, 910000), (20440, 890500), (21920, 830375), (22750, 800080), (23725, 767200), (23975, 759200), (24934, 730000), (25550, 712400), (26000, 700070), (26572, 685000), (27400, 664300), (28000, 650065), (28496, 638750), (29200, 623350), (30368, 599375), (30688, 593125), (32500, 560056), (33215, 548000), (34250, 531440), (35000, 520052), (35620, 511000), (36400, 500050), (36500, 498680), (37960, 479500), (38360, 474500), (40004, 455000), (40880, 445250), (44525, 408800), (45500, 400040), (45625, 398944), (47450, 383600), (47950, 379600), (49868, 365000), (50005, 364000), (51100, 356200), (52000, 350035), (53144, 342500), (54800, 332150), (56875, 320032), (56992, 319375), (58400, 311675), (62335, 292000), (63875, 284960), (65000, 280028), (66430, 274000), (68500, 265720), (70000, 260026), (70007, 260000), (71240, 255500), (72800, 250025), (73000, 249340), (75920, 239750), (76720, 237250), (80008, 227500), (81760, 222625), (85625, 212576), (89050, 204400), (91000, 200020), (91250, 199472), (94900, 191800), (95900, 189800), (99736, 182500), (100010, 182000), (102200, 178100), (106288, 171250), (109600, 166075), (113750, 160016), (118625, 153440), (119875, 151840), (124670, 146000), (127750, 142480), (130000, 140014), (130013, 140000), (132860, 137000)]