100721520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{139891}}^1$

素因数の和:139910

約数の個数: 60

約数和(自身を含む): 338258856

約数和(自身を除く): 237537336

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 139891, 279782, 419673, 559564, 699455, 839346, 1119128, 1259019, 1398910, 1678692, 2098365, 2238256, 2518038, 2797820, 3357384, 4196730, 5036076, 5595640, 6295095, 6714768, 8393460, 10072152, 11191280, 12590190, 16786920, 20144304, 25180380, 33573840, 50360760, 100721520]

約数ペア:

[(1, 100721520), (2, 50360760), (3, 33573840), (4, 25180380), (5, 20144304), (6, 16786920), (8, 12590190), (9, 11191280), (10, 10072152), (12, 8393460), (15, 6714768), (16, 6295095), (18, 5595640), (20, 5036076), (24, 4196730), (30, 3357384), (36, 2797820), (40, 2518038), (45, 2238256), (48, 2098365), (60, 1678692), (72, 1398910), (80, 1259019), (90, 1119128), (120, 839346), (144, 699455), (180, 559564), (240, 419673), (360, 279782), (720, 139891)]