128797120

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{13879}}^1$

素因数の和:13925

約数の個数: 56

約数和(自身を含む): 317296800

約数和(自身を除く): 188499680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 145, 160, 232, 290, 320, 464, 580, 928, 1160, 1856, 2320, 4640, 9280, 13879, 27758, 55516, 69395, 111032, 138790, 222064, 277580, 402491, 444128, 555160, 804982, 888256, 1110320, 1609964, 2012455, 2220640, 3219928, 4024910, 4441280, 6439856, 8049820, 12879712, 16099640, 25759424, 32199280, 64398560, 128797120]

約数ペア:

[(1, 128797120), (2, 64398560), (4, 32199280), (5, 25759424), (8, 16099640), (10, 12879712), (16, 8049820), (20, 6439856), (29, 4441280), (32, 4024910), (40, 3219928), (58, 2220640), (64, 2012455), (80, 1609964), (116, 1110320), (145, 888256), (160, 804982), (232, 555160), (290, 444128), (320, 402491), (464, 277580), (580, 222064), (928, 138790), (1160, 111032), (1856, 69395), (2320, 55516), (4640, 27758), (9280, 13879)]