28781520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{119923}}^1$

素因数の和:119939

約数の個数: 40

約数和(自身を含む): 89223456

約数和(自身を除く): 60441936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 119923, 239846, 359769, 479692, 599615, 719538, 959384, 1199230, 1439076, 1798845, 1918768, 2398460, 2878152, 3597690, 4796920, 5756304, 7195380, 9593840, 14390760, 28781520]

約数ペア:

[(1, 28781520), (2, 14390760), (3, 9593840), (4, 7195380), (5, 5756304), (6, 4796920), (8, 3597690), (10, 2878152), (12, 2398460), (15, 1918768), (16, 1798845), (20, 1439076), (24, 1199230), (30, 959384), (40, 719538), (48, 599615), (60, 479692), (80, 359769), (120, 239846), (240, 119923)]