90429780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{215309}}^1$

素因数の和:215328

約数の個数: 48

約数和(自身を含む): 289376640

約数和(自身を除く): 198946860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 215309, 430618, 645927, 861236, 1076545, 1291854, 1507163, 2153090, 2583708, 3014326, 3229635, 4306180, 4521489, 6028652, 6459270, 7535815, 9042978, 12918540, 15071630, 18085956, 22607445, 30143260, 45214890, 90429780]

約数ペア:

[(1, 90429780), (2, 45214890), (3, 30143260), (4, 22607445), (5, 18085956), (6, 15071630), (7, 12918540), (10, 9042978), (12, 7535815), (14, 6459270), (15, 6028652), (20, 4521489), (21, 4306180), (28, 3229635), (30, 3014326), (35, 2583708), (42, 2153090), (60, 1507163), (70, 1291854), (84, 1076545), (105, 861236), (140, 645927), (210, 430618), (420, 215309)]