18870480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{26209}}^1$

素因数の和:26228

約数の個数: 60

約数和(自身を含む): 63375780

約数和(自身を除く): 44505300

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, 26209, 52418, 78627, 104836, 131045, 157254, 209672, 235881, 262090, 314508, 393135, 419344, 471762, 524180, 629016, 786270, 943524, 1048360, 1179405, 1258032, 1572540, 1887048, 2096720, 2358810, 3145080, 3774096, 4717620, 6290160, 9435240, 18870480]

約数ペア:

[(1, 18870480), (2, 9435240), (3, 6290160), (4, 4717620), (5, 3774096), (6, 3145080), (8, 2358810), (9, 2096720), (10, 1887048), (12, 1572540), (15, 1258032), (16, 1179405), (18, 1048360), (20, 943524), (24, 786270), (30, 629016), (36, 524180), (40, 471762), (45, 419344), (48, 393135), (60, 314508), (72, 262090), (80, 235881), (90, 209672), (120, 157254), (144, 131045), (180, 104836), (240, 78627), (360, 52418), (720, 26209)]