154797920

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{56911}}^1$

素因数の和:56943

約数の個数: 48

約数和(自身を含む): 387229248

約数和(自身を除く): 232431328

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 56911, 113822, 227644, 284555, 455288, 569110, 910576, 967487, 1138220, 1821152, 1934974, 2276440, 3869948, 4552880, 4837435, 7739896, 9105760, 9674870, 15479792, 19349740, 30959584, 38699480, 77398960, 154797920]

約数ペア:

[(1, 154797920), (2, 77398960), (4, 38699480), (5, 30959584), (8, 19349740), (10, 15479792), (16, 9674870), (17, 9105760), (20, 7739896), (32, 4837435), (34, 4552880), (40, 3869948), (68, 2276440), (80, 1934974), (85, 1821152), (136, 1138220), (160, 967487), (170, 910576), (272, 569110), (340, 455288), (544, 284555), (680, 227644), (1360, 113822), (2720, 56911)]