31979360

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{4079}}^1$

素因数の和:4108

約数の個数: 72

約数和(自身を含む): 87907680

約数和(自身を除く): 55928320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 4079, 7840, 8158, 16316, 20395, 28553, 32632, 40790, 57106, 65264, 81580, 114212, 130528, 142765, 163160, 199871, 228424, 285530, 326320, 399742, 456848, 571060, 652640, 799484, 913696, 999355, 1142120, 1598968, 1998710, 2284240, 3197936, 3997420, 4568480, 6395872, 7994840, 15989680, 31979360]

約数ペア:

[(1, 31979360), (2, 15989680), (4, 7994840), (5, 6395872), (7, 4568480), (8, 3997420), (10, 3197936), (14, 2284240), (16, 1998710), (20, 1598968), (28, 1142120), (32, 999355), (35, 913696), (40, 799484), (49, 652640), (56, 571060), (70, 456848), (80, 399742), (98, 326320), (112, 285530), (140, 228424), (160, 199871), (196, 163160), (224, 142765), (245, 130528), (280, 114212), (392, 81580), (490, 65264), (560, 57106), (784, 40790), (980, 32632), (1120, 28553), (1568, 20395), (1960, 16316), (3920, 8158), (4079, 7840)]