81718830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53411}}^1$

素因数の和:53441

約数の個数: 48

約数和(自身を含む): 224971344

約数和(自身を除く): 143252514

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530, 53411, 106822, 160233, 267055, 320466, 480699, 534110, 801165, 907987, 961398, 1602330, 1815974, 2403495, 2723961, 4539935, 4806990, 5447922, 8171883, 9079870, 13619805, 16343766, 27239610, 40859415, 81718830]

約数ペア:

[(1, 81718830), (2, 40859415), (3, 27239610), (5, 16343766), (6, 13619805), (9, 9079870), (10, 8171883), (15, 5447922), (17, 4806990), (18, 4539935), (30, 2723961), (34, 2403495), (45, 1815974), (51, 1602330), (85, 961398), (90, 907987), (102, 801165), (153, 534110), (170, 480699), (255, 320466), (306, 267055), (510, 160233), (765, 106822), (1530, 53411)]