81213600

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:192

約数の個数: 288

約数和(自身を含む): 301855680

約数和(自身を除く): 220642080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 25, 26, 30, 32, 38, 39, 40, 48, 50, 52, 57, 60, 65, 75, 76, 78, 80, 95, 96, 100, 104, 114, 120, 130, 137, 150, 152, 156, 160, 190, 195, 200, 208, 228, 240, 247, 260, 274, 285, 300, 304, 312, 325, 380, 390, 400, 411, 416, 456, 475, 480, 494, 520, 548, 570, 600, 608, 624, 650, 685, 741, 760, 780, 800, 822, 912, 950, 975, 988, 1040, 1096, 1140, 1200, 1235, 1248, 1300, 1370, 1425, 1482, 1520, 1560, 1644, 1781, 1824, 1900, 1950, 1976, 2055, 2080, 2192, 2280, 2400, 2470, 2600, 2603, 2740, 2850, 2964, 3040, 3120, 3288, 3425, 3562, 3705, 3800, 3900, 3952, 4110, 4384, 4560, 4940, 5200, 5206, 5343, 5480, 5700, 5928, 6175, 6240, 6576, 6850, 7124, 7410, 7600, 7800, 7809, 7904, 8220, 8905, 9120, 9880, 10275, 10400, 10412, 10686, 10960, 11400, 11856, 12350, 13015, 13152, 13700, 14248, 14820, 15200, 15600, 15618, 16440, 17810, 18525, 19760, 20550, 20824, 21372, 21920, 22800, 23712, 24700, 26030, 26715, 27400, 28496, 29640, 31200, 31236, 32880, 33839, 35620, 37050, 39045, 39520, 41100, 41648, 42744, 44525, 45600, 49400, 52060, 53430, 54800, 56992, 59280, 62472, 65075, 65760, 67678, 71240, 74100, 78090, 82200, 83296, 85488, 89050, 98800, 101517, 104120, 106860, 109600, 118560, 124944, 130150, 133575, 135356, 142480, 148200, 156180, 164400, 169195, 170976, 178100, 195225, 197600, 203034, 208240, 213720, 249888, 260300, 267150, 270712, 284960, 296400, 312360, 328800, 338390, 356200, 390450, 406068, 416480, 427440, 507585, 520600, 534300, 541424, 592800, 624720, 676780, 712400, 780900, 812136, 845975, 854880, 1015170, 1041200, 1068600, 1082848, 1249440, 1353560, 1424800, 1561800, 1624272, 1691950, 2030340, 2082400, 2137200, 2537925, 2707120, 3123600, 3248544, 3383900, 4060680, 4274400, 5075850, 5414240, 6247200, 6767800, 8121360, 10151700, 13535600, 16242720, 20303400, 27071200, 40606800, 81213600]

約数ペア:

[(1, 81213600), (2, 40606800), (3, 27071200), (4, 20303400), (5, 16242720), (6, 13535600), (8, 10151700), (10, 8121360), (12, 6767800), (13, 6247200), (15, 5414240), (16, 5075850), (19, 4274400), (20, 4060680), (24, 3383900), (25, 3248544), (26, 3123600), (30, 2707120), (32, 2537925), (38, 2137200), (39, 2082400), (40, 2030340), (48, 1691950), (50, 1624272), (52, 1561800), (57, 1424800), (60, 1353560), (65, 1249440), (75, 1082848), (76, 1068600), (78, 1041200), (80, 1015170), (95, 854880), (96, 845975), (100, 812136), (104, 780900), (114, 712400), (120, 676780), (130, 624720), (137, 592800), (150, 541424), (152, 534300), (156, 520600), (160, 507585), (190, 427440), (195, 416480), (200, 406068), (208, 390450), (228, 356200), (240, 338390), (247, 328800), (260, 312360), (274, 296400), (285, 284960), (300, 270712), (304, 267150), (312, 260300), (325, 249888), (380, 213720), (390, 208240), (400, 203034), (411, 197600), (416, 195225), (456, 178100), (475, 170976), (480, 169195), (494, 164400), (520, 156180), (548, 148200), (570, 142480), (600, 135356), (608, 133575), (624, 130150), (650, 124944), (685, 118560), (741, 109600), (760, 106860), (780, 104120), (800, 101517), (822, 98800), (912, 89050), (950, 85488), (975, 83296), (988, 82200), (1040, 78090), (1096, 74100), (1140, 71240), (1200, 67678), (1235, 65760), (1248, 65075), (1300, 62472), (1370, 59280), (1425, 56992), (1482, 54800), (1520, 53430), (1560, 52060), (1644, 49400), (1781, 45600), (1824, 44525), (1900, 42744), (1950, 41648), (1976, 41100), (2055, 39520), (2080, 39045), (2192, 37050), (2280, 35620), (2400, 33839), (2470, 32880), (2600, 31236), (2603, 31200), (2740, 29640), (2850, 28496), (2964, 27400), (3040, 26715), (3120, 26030), (3288, 24700), (3425, 23712), (3562, 22800), (3705, 21920), (3800, 21372), (3900, 20824), (3952, 20550), (4110, 19760), (4384, 18525), (4560, 17810), (4940, 16440), (5200, 15618), (5206, 15600), (5343, 15200), (5480, 14820), (5700, 14248), (5928, 13700), (6175, 13152), (6240, 13015), (6576, 12350), (6850, 11856), (7124, 11400), (7410, 10960), (7600, 10686), (7800, 10412), (7809, 10400), (7904, 10275), (8220, 9880), (8905, 9120)]