380120

素因数分解:

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

素因数の和:84

約数の個数: 64

約数和(自身を含む): 997920

約数和(自身を除く): 617800

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 43, 52, 65, 68, 85, 86, 104, 130, 136, 170, 172, 215, 221, 260, 340, 344, 430, 442, 520, 559, 680, 731, 860, 884, 1105, 1118, 1462, 1720, 1768, 2210, 2236, 2795, 2924, 3655, 4420, 4472, 5590, 5848, 7310, 8840, 9503, 11180, 14620, 19006, 22360, 29240, 38012, 47515, 76024, 95030, 190060, 380120]

約数ペア:

[(1, 380120), (2, 190060), (4, 95030), (5, 76024), (8, 47515), (10, 38012), (13, 29240), (17, 22360), (20, 19006), (26, 14620), (34, 11180), (40, 9503), (43, 8840), (52, 7310), (65, 5848), (68, 5590), (85, 4472), (86, 4420), (104, 3655), (130, 2924), (136, 2795), (170, 2236), (172, 2210), (215, 1768), (221, 1720), (260, 1462), (340, 1118), (344, 1105), (430, 884), (442, 860), (520, 731), (559, 680)]