28744080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{523}}^1$

素因数の和:768

約数の個数: 80

約数和(自身を含む): 89666880

約数和(自身を除く): 60922800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 229, 240, 458, 523, 687, 916, 1046, 1145, 1374, 1569, 1832, 2092, 2290, 2615, 2748, 3138, 3435, 3664, 4184, 4580, 5230, 5496, 6276, 6870, 7845, 8368, 9160, 10460, 10992, 12552, 13740, 15690, 18320, 20920, 25104, 27480, 31380, 41840, 54960, 62760, 119767, 125520, 239534, 359301, 479068, 598835, 718602, 958136, 1197670, 1437204, 1796505, 1916272, 2395340, 2874408, 3593010, 4790680, 5748816, 7186020, 9581360, 14372040, 28744080]

約数ペア:

[(1, 28744080), (2, 14372040), (3, 9581360), (4, 7186020), (5, 5748816), (6, 4790680), (8, 3593010), (10, 2874408), (12, 2395340), (15, 1916272), (16, 1796505), (20, 1437204), (24, 1197670), (30, 958136), (40, 718602), (48, 598835), (60, 479068), (80, 359301), (120, 239534), (229, 125520), (240, 119767), (458, 62760), (523, 54960), (687, 41840), (916, 31380), (1046, 27480), (1145, 25104), (1374, 20920), (1569, 18320), (1832, 15690), (2092, 13740), (2290, 12552), (2615, 10992), (2748, 10460), (3138, 9160), (3435, 8368), (3664, 7845), (4184, 6870), (4580, 6276), (5230, 5496)]