128696360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{6689}}^1$

素因数の和:6750

約数の個数: 64

約数和(自身を含む): 320317200

約数和(自身を除く): 191620840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 962, 1480, 1924, 2405, 3848, 4810, 6689, 9620, 13378, 19240, 26756, 33445, 53512, 66890, 86957, 133780, 173914, 247493, 267560, 347828, 434785, 494986, 695656, 869570, 989972, 1237465, 1739140, 1979944, 2474930, 3217409, 3478280, 4949860, 6434818, 9899720, 12869636, 16087045, 25739272, 32174090, 64348180, 128696360]

約数ペア:

[(1, 128696360), (2, 64348180), (4, 32174090), (5, 25739272), (8, 16087045), (10, 12869636), (13, 9899720), (20, 6434818), (26, 4949860), (37, 3478280), (40, 3217409), (52, 2474930), (65, 1979944), (74, 1739140), (104, 1237465), (130, 989972), (148, 869570), (185, 695656), (260, 494986), (296, 434785), (370, 347828), (481, 267560), (520, 247493), (740, 173914), (962, 133780), (1480, 86957), (1924, 66890), (2405, 53512), (3848, 33445), (4810, 26756), (6689, 19240), (9620, 13378)]