87898860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{69761}}^1$

素因数の和:69783

約数の個数: 72

約数和(自身を含む): 304720416

約数和(自身を除く): 216821556

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 69761, 139522, 209283, 279044, 348805, 418566, 488327, 627849, 697610, 837132, 976654, 1046415, 1255698, 1395220, 1464981, 1953308, 2092830, 2441635, 2511396, 2929962, 3139245, 4185660, 4394943, 4883270, 5859924, 6278490, 7324905, 8789886, 9766540, 12556980, 14649810, 17579772, 21974715, 29299620, 43949430, 87898860]

約数ペア:

[(1, 87898860), (2, 43949430), (3, 29299620), (4, 21974715), (5, 17579772), (6, 14649810), (7, 12556980), (9, 9766540), (10, 8789886), (12, 7324905), (14, 6278490), (15, 5859924), (18, 4883270), (20, 4394943), (21, 4185660), (28, 3139245), (30, 2929962), (35, 2511396), (36, 2441635), (42, 2092830), (45, 1953308), (60, 1464981), (63, 1395220), (70, 1255698), (84, 1046415), (90, 976654), (105, 837132), (126, 697610), (140, 627849), (180, 488327), (210, 418566), (252, 348805), (315, 279044), (420, 209283), (630, 139522), (1260, 69761)]