128261520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{178141}}^1$

素因数の和:178160

約数の個数: 60

約数和(自身を含む): 430747356

約数和(自身を除く): 302485836

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 178141, 356282, 534423, 712564, 890705, 1068846, 1425128, 1603269, 1781410, 2137692, 2672115, 2850256, 3206538, 3562820, 4275384, 5344230, 6413076, 7125640, 8016345, 8550768, 10688460, 12826152, 14251280, 16032690, 21376920, 25652304, 32065380, 42753840, 64130760, 128261520]

約数ペア:

[(1, 128261520), (2, 64130760), (3, 42753840), (4, 32065380), (5, 25652304), (6, 21376920), (8, 16032690), (9, 14251280), (10, 12826152), (12, 10688460), (15, 8550768), (16, 8016345), (18, 7125640), (20, 6413076), (24, 5344230), (30, 4275384), (36, 3562820), (40, 3206538), (45, 2850256), (48, 2672115), (60, 2137692), (72, 1781410), (80, 1603269), (90, 1425128), (120, 1068846), (144, 890705), (180, 712564), (240, 534423), (360, 356282), (720, 178141)]