18948240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{26317}}^1$

素因数の和:26336

約数の個数: 60

約数和(自身を含む): 63636924

約数和(自身を除く): 44688684

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, 26317, 52634, 78951, 105268, 131585, 157902, 210536, 236853, 263170, 315804, 394755, 421072, 473706, 526340, 631608, 789510, 947412, 1052680, 1184265, 1263216, 1579020, 1894824, 2105360, 2368530, 3158040, 3789648, 4737060, 6316080, 9474120, 18948240]

約数ペア:

[(1, 18948240), (2, 9474120), (3, 6316080), (4, 4737060), (5, 3789648), (6, 3158040), (8, 2368530), (9, 2105360), (10, 1894824), (12, 1579020), (15, 1263216), (16, 1184265), (18, 1052680), (20, 947412), (24, 789510), (30, 631608), (36, 526340), (40, 473706), (45, 421072), (48, 394755), (60, 315804), (72, 263170), (80, 236853), (90, 210536), (120, 157902), (144, 131585), (180, 105268), (240, 78951), (360, 52634), (720, 26317)]