7999680

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1$

素因数の和:674

約数の個数: 112

約数和(自身を含む): 27395424

約数和(自身を除く): 19395744

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 641, 780, 832, 960, 1040, 1248, 1282, 1560, 1923, 2080, 2496, 2564, 3120, 3205, 3846, 4160, 5128, 6240, 6410, 7692, 8333, 9615, 10256, 12480, 12820, 15384, 16666, 19230, 20512, 24999, 25640, 30768, 33332, 38460, 41024, 41665, 49998, 51280, 61536, 66664, 76920, 83330, 99996, 102560, 123072, 124995, 133328, 153840, 166660, 199992, 205120, 249990, 266656, 307680, 333320, 399984, 499980, 533312, 615360, 666640, 799968, 999960, 1333280, 1599936, 1999920, 2666560, 3999840, 7999680]

約数ペア:

[(1, 7999680), (2, 3999840), (3, 2666560), (4, 1999920), (5, 1599936), (6, 1333280), (8, 999960), (10, 799968), (12, 666640), (13, 615360), (15, 533312), (16, 499980), (20, 399984), (24, 333320), (26, 307680), (30, 266656), (32, 249990), (39, 205120), (40, 199992), (48, 166660), (52, 153840), (60, 133328), (64, 124995), (65, 123072), (78, 102560), (80, 99996), (96, 83330), (104, 76920), (120, 66664), (130, 61536), (156, 51280), (160, 49998), (192, 41665), (195, 41024), (208, 38460), (240, 33332), (260, 30768), (312, 25640), (320, 24999), (390, 20512), (416, 19230), (480, 16666), (520, 15384), (624, 12820), (641, 12480), (780, 10256), (832, 9615), (960, 8333), (1040, 7692), (1248, 6410), (1282, 6240), (1560, 5128), (1923, 4160), (2080, 3846), (2496, 3205), (2564, 3120)]