12899280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{757}}^1$

素因数の和:844

約数の個数: 80

約数和(自身を含む): 40604544

約数和(自身を除く): 27705264

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 71, 80, 120, 142, 213, 240, 284, 355, 426, 568, 710, 757, 852, 1065, 1136, 1420, 1514, 1704, 2130, 2271, 2840, 3028, 3408, 3785, 4260, 4542, 5680, 6056, 7570, 8520, 9084, 11355, 12112, 15140, 17040, 18168, 22710, 30280, 36336, 45420, 53747, 60560, 90840, 107494, 161241, 181680, 214988, 268735, 322482, 429976, 537470, 644964, 806205, 859952, 1074940, 1289928, 1612410, 2149880, 2579856, 3224820, 4299760, 6449640, 12899280]

約数ペア:

[(1, 12899280), (2, 6449640), (3, 4299760), (4, 3224820), (5, 2579856), (6, 2149880), (8, 1612410), (10, 1289928), (12, 1074940), (15, 859952), (16, 806205), (20, 644964), (24, 537470), (30, 429976), (40, 322482), (48, 268735), (60, 214988), (71, 181680), (80, 161241), (120, 107494), (142, 90840), (213, 60560), (240, 53747), (284, 45420), (355, 36336), (426, 30280), (568, 22710), (710, 18168), (757, 17040), (852, 15140), (1065, 12112), (1136, 11355), (1420, 9084), (1514, 8520), (1704, 7570), (2130, 6056), (2271, 5680), (2840, 4542), (3028, 4260), (3408, 3785)]