31557540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{331}}^1$

素因数の和:577

約数の個数: 96

約数和(自身を含む): 101735424

約数和(自身を除く): 70177884

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 227, 331, 420, 454, 662, 681, 908, 993, 1135, 1324, 1362, 1589, 1655, 1986, 2270, 2317, 2724, 3178, 3310, 3405, 3972, 4540, 4634, 4767, 4965, 6356, 6620, 6810, 6951, 7945, 9268, 9534, 9930, 11585, 13620, 13902, 15890, 19068, 19860, 23170, 23835, 27804, 31780, 34755, 46340, 47670, 69510, 75137, 95340, 139020, 150274, 225411, 300548, 375685, 450822, 525959, 751370, 901644, 1051918, 1127055, 1502740, 1577877, 2103836, 2254110, 2629795, 3155754, 4508220, 5259590, 6311508, 7889385, 10519180, 15778770, 31557540]

約数ペア:

[(1, 31557540), (2, 15778770), (3, 10519180), (4, 7889385), (5, 6311508), (6, 5259590), (7, 4508220), (10, 3155754), (12, 2629795), (14, 2254110), (15, 2103836), (20, 1577877), (21, 1502740), (28, 1127055), (30, 1051918), (35, 901644), (42, 751370), (60, 525959), (70, 450822), (84, 375685), (105, 300548), (140, 225411), (210, 150274), (227, 139020), (331, 95340), (420, 75137), (454, 69510), (662, 47670), (681, 46340), (908, 34755), (993, 31780), (1135, 27804), (1324, 23835), (1362, 23170), (1589, 19860), (1655, 19068), (1986, 15890), (2270, 13902), (2317, 13620), (2724, 11585), (3178, 9930), (3310, 9534), (3405, 9268), (3972, 7945), (4540, 6951), (4634, 6810), (4767, 6620), (4965, 6356)]