315921840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{7789}}^1$

素因数の和:7831

約数の個数: 120

約数和(自身を含む): 1060624080

約数和(自身を除く): 744702240

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, 7789, 8112, 10140, 13520, 15578, 20280, 23367, 31156, 38945, 40560, 46734, 62312, 77890, 93468, 101257, 116835, 124624, 155780, 186936, 202514, 233670, 303771, 311560, 373872, 405028, 467340, 506285, 607542, 623120, 810056, 934680, 1012570, 1215084, 1316341, 1518855, 1620112, 1869360, 2025140, 2430168, 2632682, 3037710, 3949023, 4050280, 4860336, 5265364, 6075420, 6581705, 7898046, 8100560, 10530728, 12150840, 13163410, 15796092, 19745115, 21061456, 24301680, 26326820, 31592184, 39490230, 52653640, 63184368, 78980460, 105307280, 157960920, 315921840]

約数ペア:

[(1, 315921840), (2, 157960920), (3, 105307280), (4, 78980460), (5, 63184368), (6, 52653640), (8, 39490230), (10, 31592184), (12, 26326820), (13, 24301680), (15, 21061456), (16, 19745115), (20, 15796092), (24, 13163410), (26, 12150840), (30, 10530728), (39, 8100560), (40, 7898046), (48, 6581705), (52, 6075420), (60, 5265364), (65, 4860336), (78, 4050280), (80, 3949023), (104, 3037710), (120, 2632682), (130, 2430168), (156, 2025140), (169, 1869360), (195, 1620112), (208, 1518855), (240, 1316341), (260, 1215084), (312, 1012570), (338, 934680), (390, 810056), (507, 623120), (520, 607542), (624, 506285), (676, 467340), (780, 405028), (845, 373872), (1014, 311560), (1040, 303771), (1352, 233670), (1560, 202514), (1690, 186936), (2028, 155780), (2535, 124624), (2704, 116835), (3120, 101257), (3380, 93468), (4056, 77890), (5070, 62312), (6760, 46734), (7789, 40560), (8112, 38945), (10140, 31156), (13520, 23367), (15578, 20280)]