81802560

素因数分解:

$2^6\times 3^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:118

約数の個数: 336

約数和(自身を含む): 316894464

約数和(自身を除く): 235091904

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 37, 40, 42, 47, 48, 49, 56, 60, 64, 70, 74, 80, 84, 94, 96, 98, 105, 111, 112, 120, 140, 141, 147, 148, 160, 168, 185, 188, 192, 196, 210, 222, 224, 235, 240, 245, 259, 280, 282, 294, 296, 320, 329, 336, 370, 376, 392, 420, 444, 448, 470, 480, 490, 518, 555, 560, 564, 588, 592, 658, 672, 705, 735, 740, 752, 777, 784, 840, 888, 940, 960, 980, 987, 1036, 1110, 1120, 1128, 1176, 1184, 1295, 1316, 1344, 1410, 1470, 1480, 1504, 1554, 1568, 1645, 1680, 1739, 1776, 1813, 1880, 1960, 1974, 2072, 2220, 2240, 2256, 2303, 2352, 2368, 2590, 2632, 2820, 2940, 2960, 3008, 3108, 3136, 3290, 3360, 3478, 3552, 3626, 3760, 3885, 3920, 3948, 4144, 4440, 4512, 4606, 4704, 4935, 5180, 5217, 5264, 5439, 5640, 5880, 5920, 6216, 6580, 6720, 6909, 6956, 7104, 7252, 7520, 7770, 7840, 7896, 8288, 8695, 8880, 9024, 9065, 9212, 9408, 9870, 10360, 10434, 10528, 10878, 11280, 11515, 11760, 11840, 12173, 12432, 13160, 13818, 13912, 14504, 15040, 15540, 15680, 15792, 16576, 17390, 17760, 18130, 18424, 19740, 20720, 20868, 21056, 21756, 22560, 23030, 23520, 24346, 24864, 26085, 26320, 27195, 27636, 27824, 29008, 31080, 31584, 34545, 34780, 35520, 36260, 36519, 36848, 39480, 41440, 41736, 43512, 45120, 46060, 47040, 48692, 49728, 52170, 52640, 54390, 55272, 55648, 58016, 60865, 62160, 63168, 69090, 69560, 72520, 73038, 73696, 78960, 82880, 83472, 85211, 87024, 92120, 97384, 104340, 105280, 108780, 110544, 111296, 116032, 121730, 124320, 138180, 139120, 145040, 146076, 147392, 157920, 166944, 170422, 174048, 182595, 184240, 194768, 208680, 217560, 221088, 243460, 248640, 255633, 276360, 278240, 290080, 292152, 315840, 333888, 340844, 348096, 365190, 368480, 389536, 417360, 426055, 435120, 442176, 486920, 511266, 552720, 556480, 580160, 584304, 681688, 730380, 736960, 779072, 834720, 852110, 870240, 973840, 1022532, 1105440, 1168608, 1278165, 1363376, 1460760, 1669440, 1704220, 1740480, 1947680, 2045064, 2210880, 2337216, 2556330, 2726752, 2921520, 3408440, 3895360, 4090128, 5112660, 5453504, 5843040, 6816880, 8180256, 10225320, 11686080, 13633760, 16360512, 20450640, 27267520, 40901280, 81802560]

約数ペア:

[(1, 81802560), (2, 40901280), (3, 27267520), (4, 20450640), (5, 16360512), (6, 13633760), (7, 11686080), (8, 10225320), (10, 8180256), (12, 6816880), (14, 5843040), (15, 5453504), (16, 5112660), (20, 4090128), (21, 3895360), (24, 3408440), (28, 2921520), (30, 2726752), (32, 2556330), (35, 2337216), (37, 2210880), (40, 2045064), (42, 1947680), (47, 1740480), (48, 1704220), (49, 1669440), (56, 1460760), (60, 1363376), (64, 1278165), (70, 1168608), (74, 1105440), (80, 1022532), (84, 973840), (94, 870240), (96, 852110), (98, 834720), (105, 779072), (111, 736960), (112, 730380), (120, 681688), (140, 584304), (141, 580160), (147, 556480), (148, 552720), (160, 511266), (168, 486920), (185, 442176), (188, 435120), (192, 426055), (196, 417360), (210, 389536), (222, 368480), (224, 365190), (235, 348096), (240, 340844), (245, 333888), (259, 315840), (280, 292152), (282, 290080), (294, 278240), (296, 276360), (320, 255633), (329, 248640), (336, 243460), (370, 221088), (376, 217560), (392, 208680), (420, 194768), (444, 184240), (448, 182595), (470, 174048), (480, 170422), (490, 166944), (518, 157920), (555, 147392), (560, 146076), (564, 145040), (588, 139120), (592, 138180), (658, 124320), (672, 121730), (705, 116032), (735, 111296), (740, 110544), (752, 108780), (777, 105280), (784, 104340), (840, 97384), (888, 92120), (940, 87024), (960, 85211), (980, 83472), (987, 82880), (1036, 78960), (1110, 73696), (1120, 73038), (1128, 72520), (1176, 69560), (1184, 69090), (1295, 63168), (1316, 62160), (1344, 60865), (1410, 58016), (1470, 55648), (1480, 55272), (1504, 54390), (1554, 52640), (1568, 52170), (1645, 49728), (1680, 48692), (1739, 47040), (1776, 46060), (1813, 45120), (1880, 43512), (1960, 41736), (1974, 41440), (2072, 39480), (2220, 36848), (2240, 36519), (2256, 36260), (2303, 35520), (2352, 34780), (2368, 34545), (2590, 31584), (2632, 31080), (2820, 29008), (2940, 27824), (2960, 27636), (3008, 27195), (3108, 26320), (3136, 26085), (3290, 24864), (3360, 24346), (3478, 23520), (3552, 23030), (3626, 22560), (3760, 21756), (3885, 21056), (3920, 20868), (3948, 20720), (4144, 19740), (4440, 18424), (4512, 18130), (4606, 17760), (4704, 17390), (4935, 16576), (5180, 15792), (5217, 15680), (5264, 15540), (5439, 15040), (5640, 14504), (5880, 13912), (5920, 13818), (6216, 13160), (6580, 12432), (6720, 12173), (6909, 11840), (6956, 11760), (7104, 11515), (7252, 11280), (7520, 10878), (7770, 10528), (7840, 10434), (7896, 10360), (8288, 9870), (8695, 9408), (8880, 9212), (9024, 9065)]