31727920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1069}}^1$

素因数の和:1142

約数の個数: 80

約数和(自身を含む): 85976640

約数和(自身を除く): 54248720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 106, 112, 140, 212, 265, 280, 371, 424, 530, 560, 742, 848, 1060, 1069, 1484, 1855, 2120, 2138, 2968, 3710, 4240, 4276, 5345, 5936, 7420, 7483, 8552, 10690, 14840, 14966, 17104, 21380, 29680, 29932, 37415, 42760, 56657, 59864, 74830, 85520, 113314, 119728, 149660, 226628, 283285, 299320, 396599, 453256, 566570, 598640, 793198, 906512, 1133140, 1586396, 1982995, 2266280, 3172792, 3965990, 4532560, 6345584, 7931980, 15863960, 31727920]

約数ペア:

[(1, 31727920), (2, 15863960), (4, 7931980), (5, 6345584), (7, 4532560), (8, 3965990), (10, 3172792), (14, 2266280), (16, 1982995), (20, 1586396), (28, 1133140), (35, 906512), (40, 793198), (53, 598640), (56, 566570), (70, 453256), (80, 396599), (106, 299320), (112, 283285), (140, 226628), (212, 149660), (265, 119728), (280, 113314), (371, 85520), (424, 74830), (530, 59864), (560, 56657), (742, 42760), (848, 37415), (1060, 29932), (1069, 29680), (1484, 21380), (1855, 17104), (2120, 14966), (2138, 14840), (2968, 10690), (3710, 8552), (4240, 7483), (4276, 7420), (5345, 5936)]