31549960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:167

約数の個数: 128

約数和(自身を含む): 83825280

約数和(自身を除く): 52275320

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 43, 52, 65, 68, 83, 85, 86, 104, 130, 136, 166, 170, 172, 215, 221, 260, 332, 340, 344, 415, 430, 442, 520, 559, 664, 680, 731, 830, 860, 884, 1079, 1105, 1118, 1411, 1462, 1660, 1720, 1768, 2158, 2210, 2236, 2795, 2822, 2924, 3320, 3569, 3655, 4316, 4420, 4472, 5395, 5590, 5644, 5848, 7055, 7138, 7310, 8632, 8840, 9503, 10790, 11180, 11288, 14110, 14276, 14620, 17845, 18343, 19006, 21580, 22360, 28220, 28552, 29240, 35690, 36686, 38012, 43160, 46397, 47515, 56440, 60673, 71380, 73372, 76024, 91715, 92794, 95030, 121346, 142760, 146744, 183430, 185588, 190060, 231985, 242692, 303365, 366860, 371176, 380120, 463970, 485384, 606730, 733720, 788749, 927940, 1213460, 1577498, 1855880, 2426920, 3154996, 3943745, 6309992, 7887490, 15774980, 31549960]

約数ペア:

[(1, 31549960), (2, 15774980), (4, 7887490), (5, 6309992), (8, 3943745), (10, 3154996), (13, 2426920), (17, 1855880), (20, 1577498), (26, 1213460), (34, 927940), (40, 788749), (43, 733720), (52, 606730), (65, 485384), (68, 463970), (83, 380120), (85, 371176), (86, 366860), (104, 303365), (130, 242692), (136, 231985), (166, 190060), (170, 185588), (172, 183430), (215, 146744), (221, 142760), (260, 121346), (332, 95030), (340, 92794), (344, 91715), (415, 76024), (430, 73372), (442, 71380), (520, 60673), (559, 56440), (664, 47515), (680, 46397), (731, 43160), (830, 38012), (860, 36686), (884, 35690), (1079, 29240), (1105, 28552), (1118, 28220), (1411, 22360), (1462, 21580), (1660, 19006), (1720, 18343), (1768, 17845), (2158, 14620), (2210, 14276), (2236, 14110), (2795, 11288), (2822, 11180), (2924, 10790), (3320, 9503), (3569, 8840), (3655, 8632), (4316, 7310), (4420, 7138), (4472, 7055), (5395, 5848), (5590, 5644)]