771462640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{25579}}^1$

素因数の和:25634

約数の個数: 80

約数和(自身を含む): 1998309600

約数和(自身を除く): 1226846960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 40, 52, 58, 65, 80, 104, 116, 130, 145, 208, 232, 260, 290, 377, 464, 520, 580, 754, 1040, 1160, 1508, 1885, 2320, 3016, 3770, 6032, 7540, 15080, 25579, 30160, 51158, 102316, 127895, 204632, 255790, 332527, 409264, 511580, 665054, 741791, 1023160, 1330108, 1483582, 1662635, 2046320, 2660216, 2967164, 3325270, 3708955, 5320432, 5934328, 6650540, 7417910, 9643283, 11868656, 13301080, 14835820, 19286566, 26602160, 29671640, 38573132, 48216415, 59343280, 77146264, 96432830, 154292528, 192865660, 385731320, 771462640]

約数ペア:

[(1, 771462640), (2, 385731320), (4, 192865660), (5, 154292528), (8, 96432830), (10, 77146264), (13, 59343280), (16, 48216415), (20, 38573132), (26, 29671640), (29, 26602160), (40, 19286566), (52, 14835820), (58, 13301080), (65, 11868656), (80, 9643283), (104, 7417910), (116, 6650540), (130, 5934328), (145, 5320432), (208, 3708955), (232, 3325270), (260, 2967164), (290, 2660216), (377, 2046320), (464, 1662635), (520, 1483582), (580, 1330108), (754, 1023160), (1040, 741791), (1160, 665054), (1508, 511580), (1885, 409264), (2320, 332527), (3016, 255790), (3770, 204632), (6032, 127895), (7540, 102316), (15080, 51158), (25579, 30160)]