168804560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{124121}}^1$

素因数の和:124151

約数の個数: 40

約数和(自身を含む): 415560456

約数和(自身を除く): 246755896

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 124121, 248242, 496484, 620605, 992968, 1241210, 1985936, 2110057, 2482420, 4220114, 4964840, 8440228, 9929680, 10550285, 16880456, 21100570, 33760912, 42201140, 84402280, 168804560]

約数ペア:

[(1, 168804560), (2, 84402280), (4, 42201140), (5, 33760912), (8, 21100570), (10, 16880456), (16, 10550285), (17, 9929680), (20, 8440228), (34, 4964840), (40, 4220114), (68, 2482420), (80, 2110057), (85, 1985936), (136, 1241210), (170, 992968), (272, 620605), (340, 496484), (680, 248242), (1360, 124121)]