72018120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{821}}^1$

素因数の和:895

約数の個数: 128

約数和(自身を含む): 234368640

約数和(自身を除く): 162350520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 43, 51, 60, 68, 85, 86, 102, 120, 129, 136, 170, 172, 204, 215, 255, 258, 340, 344, 408, 430, 510, 516, 645, 680, 731, 821, 860, 1020, 1032, 1290, 1462, 1642, 1720, 2040, 2193, 2463, 2580, 2924, 3284, 3655, 4105, 4386, 4926, 5160, 5848, 6568, 7310, 8210, 8772, 9852, 10965, 12315, 13957, 14620, 16420, 17544, 19704, 21930, 24630, 27914, 29240, 32840, 35303, 41871, 43860, 49260, 55828, 69785, 70606, 83742, 87720, 98520, 105909, 111656, 139570, 141212, 167484, 176515, 209355, 211818, 279140, 282424, 334968, 353030, 418710, 423636, 529545, 558280, 600151, 706060, 837420, 847272, 1059090, 1200302, 1412120, 1674840, 1800453, 2118180, 2400604, 3000755, 3600906, 4236360, 4801208, 6001510, 7201812, 9002265, 12003020, 14403624, 18004530, 24006040, 36009060, 72018120]

約数ペア:

[(1, 72018120), (2, 36009060), (3, 24006040), (4, 18004530), (5, 14403624), (6, 12003020), (8, 9002265), (10, 7201812), (12, 6001510), (15, 4801208), (17, 4236360), (20, 3600906), (24, 3000755), (30, 2400604), (34, 2118180), (40, 1800453), (43, 1674840), (51, 1412120), (60, 1200302), (68, 1059090), (85, 847272), (86, 837420), (102, 706060), (120, 600151), (129, 558280), (136, 529545), (170, 423636), (172, 418710), (204, 353030), (215, 334968), (255, 282424), (258, 279140), (340, 211818), (344, 209355), (408, 176515), (430, 167484), (510, 141212), (516, 139570), (645, 111656), (680, 105909), (731, 98520), (821, 87720), (860, 83742), (1020, 70606), (1032, 69785), (1290, 55828), (1462, 49260), (1642, 43860), (1720, 41871), (2040, 35303), (2193, 32840), (2463, 29240), (2580, 27914), (2924, 24630), (3284, 21930), (3655, 19704), (4105, 17544), (4386, 16420), (4926, 14620), (5160, 13957), (5848, 12315), (6568, 10965), (7310, 9852), (8210, 8772)]