137478640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1973}}^1$

素因数の和:2066

約数の個数: 80

約数和(自身を含む): 349540128

約数和(自身を除く): 212061488

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 67, 80, 104, 130, 134, 208, 260, 268, 335, 520, 536, 670, 871, 1040, 1072, 1340, 1742, 1973, 2680, 3484, 3946, 4355, 5360, 6968, 7892, 8710, 9865, 13936, 15784, 17420, 19730, 25649, 31568, 34840, 39460, 51298, 69680, 78920, 102596, 128245, 132191, 157840, 205192, 256490, 264382, 410384, 512980, 528764, 660955, 1025960, 1057528, 1321910, 1718483, 2051920, 2115056, 2643820, 3436966, 5287640, 6873932, 8592415, 10575280, 13747864, 17184830, 27495728, 34369660, 68739320, 137478640]

約数ペア:

[(1, 137478640), (2, 68739320), (4, 34369660), (5, 27495728), (8, 17184830), (10, 13747864), (13, 10575280), (16, 8592415), (20, 6873932), (26, 5287640), (40, 3436966), (52, 2643820), (65, 2115056), (67, 2051920), (80, 1718483), (104, 1321910), (130, 1057528), (134, 1025960), (208, 660955), (260, 528764), (268, 512980), (335, 410384), (520, 264382), (536, 256490), (670, 205192), (871, 157840), (1040, 132191), (1072, 128245), (1340, 102596), (1742, 78920), (1973, 69680), (2680, 51298), (3484, 39460), (3946, 34840), (4355, 31568), (5360, 25649), (6968, 19730), (7892, 17420), (8710, 15784), (9865, 13936)]