156978320

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{29287}}^1$

素因数の和:29367

約数の個数: 40

約数和(自身を含む): 370434624

約数和(自身を除く): 213456304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 29287, 58574, 117148, 146435, 234296, 292870, 468592, 585740, 1171480, 1962229, 2342960, 3924458, 7848916, 9811145, 15697832, 19622290, 31395664, 39244580, 78489160, 156978320]

約数ペア:

[(1, 156978320), (2, 78489160), (4, 39244580), (5, 31395664), (8, 19622290), (10, 15697832), (16, 9811145), (20, 7848916), (40, 3924458), (67, 2342960), (80, 1962229), (134, 1171480), (268, 585740), (335, 468592), (536, 292870), (670, 234296), (1072, 146435), (1340, 117148), (2680, 58574), (5360, 29287)]