87991740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{11923}}^1$

素因数の和:11979

約数の個数: 72

約数和(自身を含む): 273441168

約数和(自身を除く): 185449428

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 492, 615, 738, 820, 1230, 1476, 1845, 2460, 3690, 7380, 11923, 23846, 35769, 47692, 59615, 71538, 107307, 119230, 143076, 178845, 214614, 238460, 357690, 429228, 488843, 536535, 715380, 977686, 1073070, 1466529, 1955372, 2146140, 2444215, 2933058, 4399587, 4888430, 5866116, 7332645, 8799174, 9776860, 14665290, 17598348, 21997935, 29330580, 43995870, 87991740]

約数ペア:

[(1, 87991740), (2, 43995870), (3, 29330580), (4, 21997935), (5, 17598348), (6, 14665290), (9, 9776860), (10, 8799174), (12, 7332645), (15, 5866116), (18, 4888430), (20, 4399587), (30, 2933058), (36, 2444215), (41, 2146140), (45, 1955372), (60, 1466529), (82, 1073070), (90, 977686), (123, 715380), (164, 536535), (180, 488843), (205, 429228), (246, 357690), (369, 238460), (410, 214614), (492, 178845), (615, 143076), (738, 119230), (820, 107307), (1230, 71538), (1476, 59615), (1845, 47692), (2460, 35769), (3690, 23846), (7380, 11923)]