274040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:72

約数の個数: 64

約数和(自身を含む): 725760

約数和(自身を除く): 451720

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 31, 34, 40, 52, 62, 65, 68, 85, 104, 124, 130, 136, 155, 170, 221, 248, 260, 310, 340, 403, 442, 520, 527, 620, 680, 806, 884, 1054, 1105, 1240, 1612, 1768, 2015, 2108, 2210, 2635, 3224, 4030, 4216, 4420, 5270, 6851, 8060, 8840, 10540, 13702, 16120, 21080, 27404, 34255, 54808, 68510, 137020, 274040]

約数ペア:

[(1, 274040), (2, 137020), (4, 68510), (5, 54808), (8, 34255), (10, 27404), (13, 21080), (17, 16120), (20, 13702), (26, 10540), (31, 8840), (34, 8060), (40, 6851), (52, 5270), (62, 4420), (65, 4216), (68, 4030), (85, 3224), (104, 2635), (124, 2210), (130, 2108), (136, 2015), (155, 1768), (170, 1612), (221, 1240), (248, 1105), (260, 1054), (310, 884), (340, 806), (403, 680), (442, 620), (520, 527)]