80568740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{4327}}^1$

素因数の和:4369

約数の個数: 72

約数和(自身を含む): 207224640

約数和(自身を除く): 126655900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1862, 2660, 3724, 4327, 4655, 8654, 9310, 17308, 18620, 21635, 30289, 43270, 60578, 82213, 86540, 121156, 151445, 164426, 212023, 302890, 328852, 411065, 424046, 575491, 605780, 822130, 848092, 1060115, 1150982, 1644260, 2120230, 2301964, 2877455, 4028437, 4240460, 5754910, 8056874, 11509820, 16113748, 20142185, 40284370, 80568740]

約数ペア:

[(1, 80568740), (2, 40284370), (4, 20142185), (5, 16113748), (7, 11509820), (10, 8056874), (14, 5754910), (19, 4240460), (20, 4028437), (28, 2877455), (35, 2301964), (38, 2120230), (49, 1644260), (70, 1150982), (76, 1060115), (95, 848092), (98, 822130), (133, 605780), (140, 575491), (190, 424046), (196, 411065), (245, 328852), (266, 302890), (380, 212023), (490, 164426), (532, 151445), (665, 121156), (931, 86540), (980, 82213), (1330, 60578), (1862, 43270), (2660, 30289), (3724, 21635), (4327, 18620), (4655, 17308), (8654, 9310)]