84880280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{809}}^1$

素因数の和:924

約数の個数: 64

約数和(自身を含む): 198871200

約数和(自身を除く): 113990920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 61, 86, 122, 172, 215, 244, 305, 344, 430, 488, 610, 809, 860, 1220, 1618, 1720, 2440, 2623, 3236, 4045, 5246, 6472, 8090, 10492, 13115, 16180, 20984, 26230, 32360, 34787, 49349, 52460, 69574, 98698, 104920, 139148, 173935, 197396, 246745, 278296, 347870, 394792, 493490, 695740, 986980, 1391480, 1973960, 2122007, 4244014, 8488028, 10610035, 16976056, 21220070, 42440140, 84880280]

約数ペア:

[(1, 84880280), (2, 42440140), (4, 21220070), (5, 16976056), (8, 10610035), (10, 8488028), (20, 4244014), (40, 2122007), (43, 1973960), (61, 1391480), (86, 986980), (122, 695740), (172, 493490), (215, 394792), (244, 347870), (305, 278296), (344, 246745), (430, 197396), (488, 173935), (610, 139148), (809, 104920), (860, 98698), (1220, 69574), (1618, 52460), (1720, 49349), (2440, 34787), (2623, 32360), (3236, 26230), (4045, 20984), (5246, 16180), (6472, 13115), (8090, 10492)]