89888940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{55487}}^1$

素因数の和:55508

約数の個数: 60

約数和(自身を含む): 281990016

約数和(自身を除く): 192101076

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 55487, 110974, 166461, 221948, 277435, 332922, 499383, 554870, 665844, 832305, 998766, 1109740, 1498149, 1664610, 1997532, 2496915, 2996298, 3329220, 4494447, 4993830, 5992596, 7490745, 8988894, 9987660, 14981490, 17977788, 22472235, 29962980, 44944470, 89888940]

約数ペア:

[(1, 89888940), (2, 44944470), (3, 29962980), (4, 22472235), (5, 17977788), (6, 14981490), (9, 9987660), (10, 8988894), (12, 7490745), (15, 5992596), (18, 4993830), (20, 4494447), (27, 3329220), (30, 2996298), (36, 2496915), (45, 1997532), (54, 1664610), (60, 1498149), (81, 1109740), (90, 998766), (108, 832305), (135, 665844), (162, 554870), (180, 499383), (270, 332922), (324, 277435), (405, 221948), (540, 166461), (810, 110974), (1620, 55487)]