128575320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{15091}}^1$

素因数の和:15176

約数の個数: 64

約数和(自身を含む): 391184640

約数和(自身を除く): 262609320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 4260, 8520, 15091, 30182, 45273, 60364, 75455, 90546, 120728, 150910, 181092, 226365, 301820, 362184, 452730, 603640, 905460, 1071461, 1810920, 2142922, 3214383, 4285844, 5357305, 6428766, 8571688, 10714610, 12857532, 16071915, 21429220, 25715064, 32143830, 42858440, 64287660, 128575320]

約数ペア:

[(1, 128575320), (2, 64287660), (3, 42858440), (4, 32143830), (5, 25715064), (6, 21429220), (8, 16071915), (10, 12857532), (12, 10714610), (15, 8571688), (20, 6428766), (24, 5357305), (30, 4285844), (40, 3214383), (60, 2142922), (71, 1810920), (120, 1071461), (142, 905460), (213, 603640), (284, 452730), (355, 362184), (426, 301820), (568, 226365), (710, 181092), (852, 150910), (1065, 120728), (1420, 90546), (1704, 75455), (2130, 60364), (2840, 45273), (4260, 30182), (8520, 15091)]