153672720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{640303}}^1$

素因数の和:640319

約数の個数: 40

約数和(自身を含む): 476386176

約数和(自身を除く): 322713456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 640303, 1280606, 1920909, 2561212, 3201515, 3841818, 5122424, 6403030, 7683636, 9604545, 10244848, 12806060, 15367272, 19209090, 25612120, 30734544, 38418180, 51224240, 76836360, 153672720]

約数ペア:

[(1, 153672720), (2, 76836360), (3, 51224240), (4, 38418180), (5, 30734544), (6, 25612120), (8, 19209090), (10, 15367272), (12, 12806060), (15, 10244848), (16, 9604545), (20, 7683636), (24, 6403030), (30, 5122424), (40, 3841818), (48, 3201515), (60, 2561212), (80, 1920909), (120, 1280606), (240, 640303)]