18685680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:195

約数の個数: 160

約数和(自身を含む): 64120896

約数和(自身を除く): 45435216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 53, 60, 65, 78, 80, 104, 106, 113, 120, 130, 156, 159, 195, 208, 212, 226, 240, 260, 265, 312, 318, 339, 390, 424, 452, 520, 530, 565, 624, 636, 678, 689, 780, 795, 848, 904, 1040, 1060, 1130, 1272, 1356, 1378, 1469, 1560, 1590, 1695, 1808, 2067, 2120, 2260, 2544, 2712, 2756, 2938, 3120, 3180, 3390, 3445, 4134, 4240, 4407, 4520, 5424, 5512, 5876, 5989, 6360, 6780, 6890, 7345, 8268, 8814, 9040, 10335, 11024, 11752, 11978, 12720, 13560, 13780, 14690, 16536, 17628, 17967, 20670, 22035, 23504, 23956, 27120, 27560, 29380, 29945, 33072, 35256, 35934, 41340, 44070, 47912, 55120, 58760, 59890, 70512, 71868, 77857, 82680, 88140, 89835, 95824, 117520, 119780, 143736, 155714, 165360, 176280, 179670, 233571, 239560, 287472, 311428, 352560, 359340, 389285, 467142, 479120, 622856, 718680, 778570, 934284, 1167855, 1245712, 1437360, 1557140, 1868568, 2335710, 3114280, 3737136, 4671420, 6228560, 9342840, 18685680]

約数ペア:

[(1, 18685680), (2, 9342840), (3, 6228560), (4, 4671420), (5, 3737136), (6, 3114280), (8, 2335710), (10, 1868568), (12, 1557140), (13, 1437360), (15, 1245712), (16, 1167855), (20, 934284), (24, 778570), (26, 718680), (30, 622856), (39, 479120), (40, 467142), (48, 389285), (52, 359340), (53, 352560), (60, 311428), (65, 287472), (78, 239560), (80, 233571), (104, 179670), (106, 176280), (113, 165360), (120, 155714), (130, 143736), (156, 119780), (159, 117520), (195, 95824), (208, 89835), (212, 88140), (226, 82680), (240, 77857), (260, 71868), (265, 70512), (312, 59890), (318, 58760), (339, 55120), (390, 47912), (424, 44070), (452, 41340), (520, 35934), (530, 35256), (565, 33072), (624, 29945), (636, 29380), (678, 27560), (689, 27120), (780, 23956), (795, 23504), (848, 22035), (904, 20670), (1040, 17967), (1060, 17628), (1130, 16536), (1272, 14690), (1356, 13780), (1378, 13560), (1469, 12720), (1560, 11978), (1590, 11752), (1695, 11024), (1808, 10335), (2067, 9040), (2120, 8814), (2260, 8268), (2544, 7345), (2712, 6890), (2756, 6780), (2938, 6360), (3120, 5989), (3180, 5876), (3390, 5512), (3445, 5424), (4134, 4520), (4240, 4407)]