71674980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2137}}^1$

素因数の和:2205

約数の個数: 96

約数和(自身を含む): 221257344

約数和(自身を除く): 149582364

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 43, 52, 60, 65, 78, 86, 129, 130, 156, 172, 195, 215, 258, 260, 390, 430, 516, 559, 645, 780, 860, 1118, 1290, 1677, 2137, 2236, 2580, 2795, 3354, 4274, 5590, 6411, 6708, 8385, 8548, 10685, 11180, 12822, 16770, 21370, 25644, 27781, 32055, 33540, 42740, 55562, 64110, 83343, 91891, 111124, 128220, 138905, 166686, 183782, 275673, 277810, 333372, 367564, 416715, 459455, 551346, 555620, 833430, 918910, 1102692, 1194583, 1378365, 1666860, 1837820, 2389166, 2756730, 3583749, 4778332, 5513460, 5972915, 7167498, 11945830, 14334996, 17918745, 23891660, 35837490, 71674980]

約数ペア:

[(1, 71674980), (2, 35837490), (3, 23891660), (4, 17918745), (5, 14334996), (6, 11945830), (10, 7167498), (12, 5972915), (13, 5513460), (15, 4778332), (20, 3583749), (26, 2756730), (30, 2389166), (39, 1837820), (43, 1666860), (52, 1378365), (60, 1194583), (65, 1102692), (78, 918910), (86, 833430), (129, 555620), (130, 551346), (156, 459455), (172, 416715), (195, 367564), (215, 333372), (258, 277810), (260, 275673), (390, 183782), (430, 166686), (516, 138905), (559, 128220), (645, 111124), (780, 91891), (860, 83343), (1118, 64110), (1290, 55562), (1677, 42740), (2137, 33540), (2236, 32055), (2580, 27781), (2795, 25644), (3354, 21370), (4274, 16770), (5590, 12822), (6411, 11180), (6708, 10685), (8385, 8548)]