154992720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{645803}}^1$

素因数の和:645819

約数の個数: 40

約数和(自身を含む): 480478176

約数和(自身を除く): 325485456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 645803, 1291606, 1937409, 2583212, 3229015, 3874818, 5166424, 6458030, 7749636, 9687045, 10332848, 12916060, 15499272, 19374090, 25832120, 30998544, 38748180, 51664240, 77496360, 154992720]

約数ペア:

[(1, 154992720), (2, 77496360), (3, 51664240), (4, 38748180), (5, 30998544), (6, 25832120), (8, 19374090), (10, 15499272), (12, 12916060), (15, 10332848), (16, 9687045), (20, 7749636), (24, 6458030), (30, 5166424), (40, 3874818), (48, 3229015), (60, 2583212), (80, 1937409), (120, 1291606), (240, 645803)]