31620

素因数分解:

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

素因数の和:60

約数の個数: 48

約数和(自身を含む): 96768

約数和(自身を除く): 65148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 31, 34, 51, 60, 62, 68, 85, 93, 102, 124, 155, 170, 186, 204, 255, 310, 340, 372, 465, 510, 527, 620, 930, 1020, 1054, 1581, 1860, 2108, 2635, 3162, 5270, 6324, 7905, 10540, 15810, 31620]

約数ペア:

[(1, 31620), (2, 15810), (3, 10540), (4, 7905), (5, 6324), (6, 5270), (10, 3162), (12, 2635), (15, 2108), (17, 1860), (20, 1581), (30, 1054), (31, 1020), (34, 930), (51, 620), (60, 527), (62, 510), (68, 465), (85, 372), (93, 340), (102, 310), (124, 255), (155, 204), (170, 186)]