15774980

素因数分解:

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

素因数の和:165

約数の個数: 96

約数和(自身を含む): 39118464

約数和(自身を除く): 23343484

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 43, 52, 65, 68, 83, 85, 86, 130, 166, 170, 172, 215, 221, 260, 332, 340, 415, 430, 442, 559, 731, 830, 860, 884, 1079, 1105, 1118, 1411, 1462, 1660, 2158, 2210, 2236, 2795, 2822, 2924, 3569, 3655, 4316, 4420, 5395, 5590, 5644, 7055, 7138, 7310, 9503, 10790, 11180, 14110, 14276, 14620, 17845, 18343, 19006, 21580, 28220, 35690, 36686, 38012, 46397, 47515, 60673, 71380, 73372, 91715, 92794, 95030, 121346, 183430, 185588, 190060, 231985, 242692, 303365, 366860, 463970, 606730, 788749, 927940, 1213460, 1577498, 3154996, 3943745, 7887490, 15774980]

約数ペア:

[(1, 15774980), (2, 7887490), (4, 3943745), (5, 3154996), (10, 1577498), (13, 1213460), (17, 927940), (20, 788749), (26, 606730), (34, 463970), (43, 366860), (52, 303365), (65, 242692), (68, 231985), (83, 190060), (85, 185588), (86, 183430), (130, 121346), (166, 95030), (170, 92794), (172, 91715), (215, 73372), (221, 71380), (260, 60673), (332, 47515), (340, 46397), (415, 38012), (430, 36686), (442, 35690), (559, 28220), (731, 21580), (830, 19006), (860, 18343), (884, 17845), (1079, 14620), (1105, 14276), (1118, 14110), (1411, 11180), (1462, 10790), (1660, 9503), (2158, 7310), (2210, 7138), (2236, 7055), (2795, 5644), (2822, 5590), (2924, 5395), (3569, 4420), (3655, 4316)]