30971960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1231}}^1$

素因数の和:1296

約数の個数: 64

約数和(自身を含む): 75841920

約数和(自身を除く): 44869960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 37, 40, 68, 74, 85, 136, 148, 170, 185, 296, 340, 370, 629, 680, 740, 1231, 1258, 1480, 2462, 2516, 3145, 4924, 5032, 6155, 6290, 9848, 12310, 12580, 20927, 24620, 25160, 41854, 45547, 49240, 83708, 91094, 104635, 167416, 182188, 209270, 227735, 364376, 418540, 455470, 774299, 837080, 910940, 1548598, 1821880, 3097196, 3871495, 6194392, 7742990, 15485980, 30971960]

約数ペア:

[(1, 30971960), (2, 15485980), (4, 7742990), (5, 6194392), (8, 3871495), (10, 3097196), (17, 1821880), (20, 1548598), (34, 910940), (37, 837080), (40, 774299), (68, 455470), (74, 418540), (85, 364376), (136, 227735), (148, 209270), (170, 182188), (185, 167416), (296, 104635), (340, 91094), (370, 83708), (629, 49240), (680, 45547), (740, 41854), (1231, 25160), (1258, 24620), (1480, 20927), (2462, 12580), (2516, 12310), (3145, 9848), (4924, 6290), (5032, 6155)]