78666720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1$

素因数の和:393

約数の個数: 192

約数和(自身を含む): 276950016

約数和(自身を除く): 198283296

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 47, 48, 55, 60, 66, 80, 88, 94, 96, 110, 120, 132, 141, 160, 165, 176, 188, 220, 235, 240, 264, 282, 317, 330, 352, 376, 440, 470, 480, 517, 528, 564, 634, 660, 705, 752, 880, 940, 951, 1034, 1056, 1128, 1268, 1320, 1410, 1504, 1551, 1585, 1760, 1880, 1902, 2068, 2256, 2536, 2585, 2640, 2820, 3102, 3170, 3487, 3760, 3804, 4136, 4512, 4755, 5072, 5170, 5280, 5640, 6204, 6340, 6974, 7520, 7608, 7755, 8272, 9510, 10144, 10340, 10461, 11280, 12408, 12680, 13948, 14899, 15216, 15510, 16544, 17435, 19020, 20680, 20922, 22560, 24816, 25360, 27896, 29798, 30432, 31020, 34870, 38040, 41360, 41844, 44697, 49632, 50720, 52305, 55792, 59596, 62040, 69740, 74495, 76080, 82720, 83688, 89394, 104610, 111584, 119192, 124080, 139480, 148990, 152160, 163889, 167376, 178788, 209220, 223485, 238384, 248160, 278960, 297980, 327778, 334752, 357576, 418440, 446970, 476768, 491667, 557920, 595960, 655556, 715152, 819445, 836880, 893940, 983334, 1191920, 1311112, 1430304, 1638890, 1673760, 1787880, 1966668, 2383840, 2458335, 2622224, 3277780, 3575760, 3933336, 4916670, 5244448, 6555560, 7151520, 7866672, 9833340, 13111120, 15733344, 19666680, 26222240, 39333360, 78666720]

約数ペア:

[(1, 78666720), (2, 39333360), (3, 26222240), (4, 19666680), (5, 15733344), (6, 13111120), (8, 9833340), (10, 7866672), (11, 7151520), (12, 6555560), (15, 5244448), (16, 4916670), (20, 3933336), (22, 3575760), (24, 3277780), (30, 2622224), (32, 2458335), (33, 2383840), (40, 1966668), (44, 1787880), (47, 1673760), (48, 1638890), (55, 1430304), (60, 1311112), (66, 1191920), (80, 983334), (88, 893940), (94, 836880), (96, 819445), (110, 715152), (120, 655556), (132, 595960), (141, 557920), (160, 491667), (165, 476768), (176, 446970), (188, 418440), (220, 357576), (235, 334752), (240, 327778), (264, 297980), (282, 278960), (317, 248160), (330, 238384), (352, 223485), (376, 209220), (440, 178788), (470, 167376), (480, 163889), (517, 152160), (528, 148990), (564, 139480), (634, 124080), (660, 119192), (705, 111584), (752, 104610), (880, 89394), (940, 83688), (951, 82720), (1034, 76080), (1056, 74495), (1128, 69740), (1268, 62040), (1320, 59596), (1410, 55792), (1504, 52305), (1551, 50720), (1585, 49632), (1760, 44697), (1880, 41844), (1902, 41360), (2068, 38040), (2256, 34870), (2536, 31020), (2585, 30432), (2640, 29798), (2820, 27896), (3102, 25360), (3170, 24816), (3487, 22560), (3760, 20922), (3804, 20680), (4136, 19020), (4512, 17435), (4755, 16544), (5072, 15510), (5170, 15216), (5280, 14899), (5640, 13948), (6204, 12680), (6340, 12408), (6974, 11280), (7520, 10461), (7608, 10340), (7755, 10144), (8272, 9510)]