290987820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{22769}}^1$

素因数の和:22855

約数の個数: 72

約数和(自身を含む): 895134240

約数和(自身を除く): 604146420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 12780, 22769, 45538, 68307, 91076, 113845, 136614, 204921, 227690, 273228, 341535, 409842, 455380, 683070, 819684, 1024605, 1366140, 1616599, 2049210, 3233198, 4098420, 4849797, 6466396, 8082995, 9699594, 14549391, 16165990, 19399188, 24248985, 29098782, 32331980, 48497970, 58197564, 72746955, 96995940, 145493910, 290987820]

約数ペア:

[(1, 290987820), (2, 145493910), (3, 96995940), (4, 72746955), (5, 58197564), (6, 48497970), (9, 32331980), (10, 29098782), (12, 24248985), (15, 19399188), (18, 16165990), (20, 14549391), (30, 9699594), (36, 8082995), (45, 6466396), (60, 4849797), (71, 4098420), (90, 3233198), (142, 2049210), (180, 1616599), (213, 1366140), (284, 1024605), (355, 819684), (426, 683070), (639, 455380), (710, 409842), (852, 341535), (1065, 273228), (1278, 227690), (1420, 204921), (2130, 136614), (2556, 113845), (3195, 91076), (4260, 68307), (6390, 45538), (12780, 22769)]