77782640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2579}}^1$

素因数の和:2634

約数の個数: 80

約数和(自身を含む): 201549600

約数和(自身を除く): 123766960

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, 2579, 3016, 3770, 5158, 6032, 7540, 10316, 12895, 15080, 20632, 25790, 30160, 33527, 41264, 51580, 67054, 74791, 103160, 134108, 149582, 167635, 206320, 268216, 299164, 335270, 373955, 536432, 598328, 670540, 747910, 972283, 1196656, 1341080, 1495820, 1944566, 2682160, 2991640, 3889132, 4861415, 5983280, 7778264, 9722830, 15556528, 19445660, 38891320, 77782640]

約数ペア:

[(1, 77782640), (2, 38891320), (4, 19445660), (5, 15556528), (8, 9722830), (10, 7778264), (13, 5983280), (16, 4861415), (20, 3889132), (26, 2991640), (29, 2682160), (40, 1944566), (52, 1495820), (58, 1341080), (65, 1196656), (80, 972283), (104, 747910), (116, 670540), (130, 598328), (145, 536432), (208, 373955), (232, 335270), (260, 299164), (290, 268216), (377, 206320), (464, 167635), (520, 149582), (580, 134108), (754, 103160), (1040, 74791), (1160, 67054), (1508, 51580), (1885, 41264), (2320, 33527), (2579, 30160), (3016, 25790), (3770, 20632), (5158, 15080), (6032, 12895), (7540, 10316)]