18964320

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{39509}}^1$

素因数の和:39527

約数の個数: 48

約数和(自身を含む): 59739120

約数和(自身を除く): 40774800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 39509, 79018, 118527, 158036, 197545, 237054, 316072, 395090, 474108, 592635, 632144, 790180, 948216, 1185270, 1264288, 1580360, 1896432, 2370540, 3160720, 3792864, 4741080, 6321440, 9482160, 18964320]

約数ペア:

[(1, 18964320), (2, 9482160), (3, 6321440), (4, 4741080), (5, 3792864), (6, 3160720), (8, 2370540), (10, 1896432), (12, 1580360), (15, 1264288), (16, 1185270), (20, 948216), (24, 790180), (30, 632144), (32, 592635), (40, 474108), (48, 395090), (60, 316072), (80, 237054), (96, 197545), (120, 158036), (160, 118527), (240, 79018), (480, 39509)]