74400640

素因数分解:

$2^7\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1151}}^1$

素因数の和:1271

約数の個数: 64

約数和(自身を含む): 179781120

約数和(自身を除く): 105380480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 128, 160, 202, 320, 404, 505, 640, 808, 1010, 1151, 1616, 2020, 2302, 3232, 4040, 4604, 5755, 6464, 8080, 9208, 11510, 12928, 16160, 18416, 23020, 32320, 36832, 46040, 64640, 73664, 92080, 116251, 147328, 184160, 232502, 368320, 465004, 581255, 736640, 930008, 1162510, 1860016, 2325020, 3720032, 4650040, 7440064, 9300080, 14880128, 18600160, 37200320, 74400640]

約数ペア:

[(1, 74400640), (2, 37200320), (4, 18600160), (5, 14880128), (8, 9300080), (10, 7440064), (16, 4650040), (20, 3720032), (32, 2325020), (40, 1860016), (64, 1162510), (80, 930008), (101, 736640), (128, 581255), (160, 465004), (202, 368320), (320, 232502), (404, 184160), (505, 147328), (640, 116251), (808, 92080), (1010, 73664), (1151, 64640), (1616, 46040), (2020, 36832), (2302, 32320), (3232, 23020), (4040, 18416), (4604, 16160), (5755, 12928), (6464, 11510), (8080, 9208)]