68971920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{287383}}^1$

素因数の和:287399

約数の個数: 40

約数和(自身を含む): 213813696

約数和(自身を除く): 144841776

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 287383, 574766, 862149, 1149532, 1436915, 1724298, 2299064, 2873830, 3448596, 4310745, 4598128, 5747660, 6897192, 8621490, 11495320, 13794384, 17242980, 22990640, 34485960, 68971920]

約数ペア:

[(1, 68971920), (2, 34485960), (3, 22990640), (4, 17242980), (5, 13794384), (6, 11495320), (8, 8621490), (10, 6897192), (12, 5747660), (15, 4598128), (16, 4310745), (20, 3448596), (24, 2873830), (30, 2299064), (40, 1724298), (48, 1436915), (60, 1149532), (80, 862149), (120, 574766), (240, 287383)]