80499440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3343}}^1$

素因数の和:3406

約数の個数: 80

約数和(自身を含む): 218938368

約数和(自身を除く): 138438928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 80, 86, 112, 140, 172, 215, 280, 301, 344, 430, 560, 602, 688, 860, 1204, 1505, 1720, 2408, 3010, 3343, 3440, 4816, 6020, 6686, 12040, 13372, 16715, 23401, 24080, 26744, 33430, 46802, 53488, 66860, 93604, 117005, 133720, 143749, 187208, 234010, 267440, 287498, 374416, 468020, 574996, 718745, 936040, 1006243, 1149992, 1437490, 1872080, 2012486, 2299984, 2874980, 4024972, 5031215, 5749960, 8049944, 10062430, 11499920, 16099888, 20124860, 40249720, 80499440]

約数ペア:

[(1, 80499440), (2, 40249720), (4, 20124860), (5, 16099888), (7, 11499920), (8, 10062430), (10, 8049944), (14, 5749960), (16, 5031215), (20, 4024972), (28, 2874980), (35, 2299984), (40, 2012486), (43, 1872080), (56, 1437490), (70, 1149992), (80, 1006243), (86, 936040), (112, 718745), (140, 574996), (172, 468020), (215, 374416), (280, 287498), (301, 267440), (344, 234010), (430, 187208), (560, 143749), (602, 133720), (688, 117005), (860, 93604), (1204, 66860), (1505, 53488), (1720, 46802), (2408, 33430), (3010, 26744), (3343, 24080), (3440, 23401), (4816, 16715), (6020, 13372), (6686, 12040)]