918237840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{22639}}^1$

素因数の和:22681

約数の個数: 120

約数和(自身を含む): 3082481280

約数和(自身を除く): 2164243440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 169, 195, 208, 240, 260, 312, 338, 390, 507, 520, 624, 676, 780, 845, 1014, 1040, 1352, 1560, 1690, 2028, 2535, 2704, 3120, 3380, 4056, 5070, 6760, 8112, 10140, 13520, 20280, 22639, 40560, 45278, 67917, 90556, 113195, 135834, 181112, 226390, 271668, 294307, 339585, 362224, 452780, 543336, 588614, 679170, 882921, 905560, 1086672, 1177228, 1358340, 1471535, 1765842, 1811120, 2354456, 2716680, 2943070, 3531684, 3825991, 4414605, 4708912, 5433360, 5886140, 7063368, 7651982, 8829210, 11477973, 11772280, 14126736, 15303964, 17658420, 19129955, 22955946, 23544560, 30607928, 35316840, 38259910, 45911892, 57389865, 61215856, 70633680, 76519820, 91823784, 114779730, 153039640, 183647568, 229559460, 306079280, 459118920, 918237840]

約数ペア:

[(1, 918237840), (2, 459118920), (3, 306079280), (4, 229559460), (5, 183647568), (6, 153039640), (8, 114779730), (10, 91823784), (12, 76519820), (13, 70633680), (15, 61215856), (16, 57389865), (20, 45911892), (24, 38259910), (26, 35316840), (30, 30607928), (39, 23544560), (40, 22955946), (48, 19129955), (52, 17658420), (60, 15303964), (65, 14126736), (78, 11772280), (80, 11477973), (104, 8829210), (120, 7651982), (130, 7063368), (156, 5886140), (169, 5433360), (195, 4708912), (208, 4414605), (240, 3825991), (260, 3531684), (312, 2943070), (338, 2716680), (390, 2354456), (507, 1811120), (520, 1765842), (624, 1471535), (676, 1358340), (780, 1177228), (845, 1086672), (1014, 905560), (1040, 882921), (1352, 679170), (1560, 588614), (1690, 543336), (2028, 452780), (2535, 362224), (2704, 339585), (3120, 294307), (3380, 271668), (4056, 226390), (5070, 181112), (6760, 135834), (8112, 113195), (10140, 90556), (13520, 67917), (20280, 45278), (22639, 40560)]