64360280

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{491}}^1$

素因数の和:644

約数の個数: 64

約数和(自身を含む): 151437600

約数和(自身を除く): 87077320

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 113, 116, 145, 226, 232, 290, 452, 491, 565, 580, 904, 982, 1130, 1160, 1964, 2260, 2455, 3277, 3928, 4520, 4910, 6554, 9820, 13108, 14239, 16385, 19640, 26216, 28478, 32770, 55483, 56956, 65540, 71195, 110966, 113912, 131080, 142390, 221932, 277415, 284780, 443864, 554830, 569560, 1109660, 1609007, 2219320, 3218014, 6436028, 8045035, 12872056, 16090070, 32180140, 64360280]

約数ペア:

[(1, 64360280), (2, 32180140), (4, 16090070), (5, 12872056), (8, 8045035), (10, 6436028), (20, 3218014), (29, 2219320), (40, 1609007), (58, 1109660), (113, 569560), (116, 554830), (145, 443864), (226, 284780), (232, 277415), (290, 221932), (452, 142390), (491, 131080), (565, 113912), (580, 110966), (904, 71195), (982, 65540), (1130, 56956), (1160, 55483), (1964, 32770), (2260, 28478), (2455, 26216), (3277, 19640), (3928, 16385), (4520, 14239), (4910, 13108), (6554, 9820)]