748717920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{519943}}^1$

素因数の和:519964

約数の個数: 72

約数和(自身を含む): 2555004816

約数和(自身を除く): 1806286896

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 519943, 1039886, 1559829, 2079772, 2599715, 3119658, 4159544, 4679487, 5199430, 6239316, 7799145, 8319088, 9358974, 10398860, 12478632, 15598290, 16638176, 18717948, 20797720, 23397435, 24957264, 31196580, 37435896, 41595440, 46794870, 49914528, 62393160, 74871792, 83190880, 93589740, 124786320, 149743584, 187179480, 249572640, 374358960, 748717920]

約数ペア:

[(1, 748717920), (2, 374358960), (3, 249572640), (4, 187179480), (5, 149743584), (6, 124786320), (8, 93589740), (9, 83190880), (10, 74871792), (12, 62393160), (15, 49914528), (16, 46794870), (18, 41595440), (20, 37435896), (24, 31196580), (30, 24957264), (32, 23397435), (36, 20797720), (40, 18717948), (45, 16638176), (48, 15598290), (60, 12478632), (72, 10398860), (80, 9358974), (90, 8319088), (96, 7799145), (120, 6239316), (144, 5199430), (160, 4679487), (180, 4159544), (240, 3119658), (288, 2599715), (360, 2079772), (480, 1559829), (720, 1039886), (1440, 519943)]