8999910

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:331

約数の個数: 80

約数和(自身を含む): 24881472

約数和(自身を除く): 15881562

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 41, 45, 54, 81, 82, 90, 123, 135, 162, 205, 246, 270, 271, 369, 405, 410, 542, 615, 738, 810, 813, 1107, 1230, 1355, 1626, 1845, 2214, 2439, 2710, 3321, 3690, 4065, 4878, 5535, 6642, 7317, 8130, 11070, 11111, 12195, 14634, 16605, 21951, 22222, 24390, 33210, 33333, 36585, 43902, 55555, 66666, 73170, 99999, 109755, 111110, 166665, 199998, 219510, 299997, 333330, 499995, 599994, 899991, 999990, 1499985, 1799982, 2999970, 4499955, 8999910]

約数ペア:

[(1, 8999910), (2, 4499955), (3, 2999970), (5, 1799982), (6, 1499985), (9, 999990), (10, 899991), (15, 599994), (18, 499995), (27, 333330), (30, 299997), (41, 219510), (45, 199998), (54, 166665), (81, 111110), (82, 109755), (90, 99999), (123, 73170), (135, 66666), (162, 55555), (205, 43902), (246, 36585), (270, 33333), (271, 33210), (369, 24390), (405, 22222), (410, 21951), (542, 16605), (615, 14634), (738, 12195), (810, 11111), (813, 11070), (1107, 8130), (1230, 7317), (1355, 6642), (1626, 5535), (1845, 4878), (2214, 4065), (2439, 3690), (2710, 3321)]