148905840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{620441}}^1$

素因数の和:620457

約数の個数: 40

約数和(自身を含む): 461608848

約数和(自身を除く): 312703008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 620441, 1240882, 1861323, 2481764, 3102205, 3722646, 4963528, 6204410, 7445292, 9306615, 9927056, 12408820, 14890584, 18613230, 24817640, 29781168, 37226460, 49635280, 74452920, 148905840]

約数ペア:

[(1, 148905840), (2, 74452920), (3, 49635280), (4, 37226460), (5, 29781168), (6, 24817640), (8, 18613230), (10, 14890584), (12, 12408820), (15, 9927056), (16, 9306615), (20, 7445292), (24, 6204410), (30, 4963528), (40, 3722646), (48, 3102205), (60, 2481764), (80, 1861323), (120, 1240882), (240, 620441)]