67444840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{499}}^1$

素因数の和:650

約数の個数: 64

約数和(自身を含む): 158400000

約数和(自身を除く): 90955160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 109, 124, 155, 218, 248, 310, 436, 499, 545, 620, 872, 998, 1090, 1240, 1996, 2180, 2495, 3379, 3992, 4360, 4990, 6758, 9980, 13516, 15469, 16895, 19960, 27032, 30938, 33790, 54391, 61876, 67580, 77345, 108782, 123752, 135160, 154690, 217564, 271955, 309380, 435128, 543910, 618760, 1087820, 1686121, 2175640, 3372242, 6744484, 8430605, 13488968, 16861210, 33722420, 67444840]

約数ペア:

[(1, 67444840), (2, 33722420), (4, 16861210), (5, 13488968), (8, 8430605), (10, 6744484), (20, 3372242), (31, 2175640), (40, 1686121), (62, 1087820), (109, 618760), (124, 543910), (155, 435128), (218, 309380), (248, 271955), (310, 217564), (436, 154690), (499, 135160), (545, 123752), (620, 108782), (872, 77345), (998, 67580), (1090, 61876), (1240, 54391), (1996, 33790), (2180, 30938), (2495, 27032), (3379, 19960), (3992, 16895), (4360, 15469), (4990, 13516), (6758, 9980)]