123770120

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{10079}}^1$

素因数の和:10397

約数の個数: 32

約数和(自身を含む): 279417600

約数和(自身を除く): 155647480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 6140, 10079, 12280, 20158, 40316, 50395, 80632, 100790, 201580, 403160, 3094253, 6188506, 12377012, 15471265, 24754024, 30942530, 61885060, 123770120]

約数ペア:

[(1, 123770120), (2, 61885060), (4, 30942530), (5, 24754024), (8, 15471265), (10, 12377012), (20, 6188506), (40, 3094253), (307, 403160), (614, 201580), (1228, 100790), (1535, 80632), (2456, 50395), (3070, 40316), (6140, 20158), (10079, 12280)]