81320472

素因数分解:

$2^3\times 3^2\times {\mathrm{919}}^1\times {\mathrm{1229}}^1$

素因数の和:2160

約数の個数: 48

約数和(自身を含む): 220662000

約数和(自身を除く): 139341528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 919, 1229, 1838, 2458, 2757, 3676, 3687, 4916, 5514, 7352, 7374, 8271, 9832, 11028, 11061, 14748, 16542, 22056, 22122, 29496, 33084, 44244, 66168, 88488, 1129451, 2258902, 3388353, 4517804, 6776706, 9035608, 10165059, 13553412, 20330118, 27106824, 40660236, 81320472]

約数ペア:

[(1, 81320472), (2, 40660236), (3, 27106824), (4, 20330118), (6, 13553412), (8, 10165059), (9, 9035608), (12, 6776706), (18, 4517804), (24, 3388353), (36, 2258902), (72, 1129451), (919, 88488), (1229, 66168), (1838, 44244), (2458, 33084), (2757, 29496), (3676, 22122), (3687, 22056), (4916, 16542), (5514, 14748), (7352, 11061), (7374, 11028), (8271, 9832)]