172505120

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{63421}}^1$

素因数の和:63453

約数の個数: 48

約数和(自身を含む): 431523288

約数和(自身を除く): 259018168

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, 63421, 126842, 253684, 317105, 507368, 634210, 1014736, 1078157, 1268420, 2029472, 2156314, 2536840, 4312628, 5073680, 5390785, 8625256, 10147360, 10781570, 17250512, 21563140, 34501024, 43126280, 86252560, 172505120]

約数ペア:

[(1, 172505120), (2, 86252560), (4, 43126280), (5, 34501024), (8, 21563140), (10, 17250512), (16, 10781570), (17, 10147360), (20, 8625256), (32, 5390785), (34, 5073680), (40, 4312628), (68, 2536840), (80, 2156314), (85, 2029472), (136, 1268420), (160, 1078157), (170, 1014736), (272, 634210), (340, 507368), (544, 317105), (680, 253684), (1360, 126842), (2720, 63421)]