81177960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{23327}}^1$

素因数の和:23370

約数の個数: 64

約数和(自身を含む): 251942400

約数和(自身を除く): 170764440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 696, 870, 1160, 1740, 3480, 23327, 46654, 69981, 93308, 116635, 139962, 186616, 233270, 279924, 349905, 466540, 559848, 676483, 699810, 933080, 1352966, 1399620, 2029449, 2705932, 2799240, 3382415, 4058898, 5411864, 6764830, 8117796, 10147245, 13529660, 16235592, 20294490, 27059320, 40588980, 81177960]

約数ペア:

[(1, 81177960), (2, 40588980), (3, 27059320), (4, 20294490), (5, 16235592), (6, 13529660), (8, 10147245), (10, 8117796), (12, 6764830), (15, 5411864), (20, 4058898), (24, 3382415), (29, 2799240), (30, 2705932), (40, 2029449), (58, 1399620), (60, 1352966), (87, 933080), (116, 699810), (120, 676483), (145, 559848), (174, 466540), (232, 349905), (290, 279924), (348, 233270), (435, 186616), (580, 139962), (696, 116635), (870, 93308), (1160, 69981), (1740, 46654), (3480, 23327)]