123142020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{19181}}^1$

素因数の和:19300

約数の個数: 48

約数和(自身を含む): 348038208

約数和(自身を除く): 224896188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 321, 428, 535, 642, 1070, 1284, 1605, 2140, 3210, 6420, 19181, 38362, 57543, 76724, 95905, 115086, 191810, 230172, 287715, 383620, 575430, 1150860, 2052367, 4104734, 6157101, 8209468, 10261835, 12314202, 20523670, 24628404, 30785505, 41047340, 61571010, 123142020]

約数ペア:

[(1, 123142020), (2, 61571010), (3, 41047340), (4, 30785505), (5, 24628404), (6, 20523670), (10, 12314202), (12, 10261835), (15, 8209468), (20, 6157101), (30, 4104734), (60, 2052367), (107, 1150860), (214, 575430), (321, 383620), (428, 287715), (535, 230172), (642, 191810), (1070, 115086), (1284, 95905), (1605, 76724), (2140, 57543), (3210, 38362), (6420, 19181)]