168016720

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{72421}}^1$

素因数の和:72463

約数の個数: 40

約数和(自身を含む): 404114760

約数和(自身を除く): 236098040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 72421, 144842, 289684, 362105, 579368, 724210, 1158736, 1448420, 2100209, 2896840, 4200418, 5793680, 8400836, 10501045, 16801672, 21002090, 33603344, 42004180, 84008360, 168016720]

約数ペア:

[(1, 168016720), (2, 84008360), (4, 42004180), (5, 33603344), (8, 21002090), (10, 16801672), (16, 10501045), (20, 8400836), (29, 5793680), (40, 4200418), (58, 2896840), (80, 2100209), (116, 1448420), (145, 1158736), (232, 724210), (290, 579368), (464, 362105), (580, 289684), (1160, 144842), (2320, 72421)]