81519930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53281}}^1$

素因数の和:53311

約数の個数: 48

約数和(自身を含む): 224423784

約数和(自身を除く): 142903854

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, 53281, 106562, 159843, 266405, 319686, 479529, 532810, 799215, 905777, 959058, 1598430, 1811554, 2397645, 2717331, 4528885, 4795290, 5434662, 8151993, 9057770, 13586655, 16303986, 27173310, 40759965, 81519930]

約数ペア:

[(1, 81519930), (2, 40759965), (3, 27173310), (5, 16303986), (6, 13586655), (9, 9057770), (10, 8151993), (15, 5434662), (17, 4795290), (18, 4528885), (30, 2717331), (34, 2397645), (45, 1811554), (51, 1598430), (85, 959058), (90, 905777), (102, 799215), (153, 532810), (170, 479529), (255, 319686), (306, 266405), (510, 159843), (765, 106562), (1530, 53281)]