1287717280

素因数分解:

$2^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{1571}}^1$

素因数の和:1742

約数の個数: 96

約数和(自身を含む): 3137460480

約数和(自身を除く): 1849743200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 80, 94, 109, 160, 188, 218, 235, 376, 436, 470, 545, 752, 872, 940, 1090, 1504, 1571, 1744, 1880, 2180, 3142, 3488, 3760, 4360, 5123, 6284, 7520, 7855, 8720, 10246, 12568, 15710, 17440, 20492, 25136, 25615, 31420, 40984, 50272, 51230, 62840, 73837, 81968, 102460, 125680, 147674, 163936, 171239, 204920, 251360, 295348, 342478, 369185, 409840, 590696, 684956, 738370, 819680, 856195, 1181392, 1369912, 1476740, 1712390, 2362784, 2739824, 2953480, 3424780, 5479648, 5906960, 6849560, 8048233, 11813920, 13699120, 16096466, 27398240, 32192932, 40241165, 64385864, 80482330, 128771728, 160964660, 257543456, 321929320, 643858640, 1287717280]

約数ペア:

[(1, 1287717280), (2, 643858640), (4, 321929320), (5, 257543456), (8, 160964660), (10, 128771728), (16, 80482330), (20, 64385864), (32, 40241165), (40, 32192932), (47, 27398240), (80, 16096466), (94, 13699120), (109, 11813920), (160, 8048233), (188, 6849560), (218, 5906960), (235, 5479648), (376, 3424780), (436, 2953480), (470, 2739824), (545, 2362784), (752, 1712390), (872, 1476740), (940, 1369912), (1090, 1181392), (1504, 856195), (1571, 819680), (1744, 738370), (1880, 684956), (2180, 590696), (3142, 409840), (3488, 369185), (3760, 342478), (4360, 295348), (5123, 251360), (6284, 204920), (7520, 171239), (7855, 163936), (8720, 147674), (10246, 125680), (12568, 102460), (15710, 81968), (17440, 73837), (20492, 62840), (25136, 51230), (25615, 50272), (31420, 40984)]