15999360

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1$

素因数の和:676

約数の個数: 128

約数和(自身を含む): 55006560

約数和(自身を除く): 39007200

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, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 641, 780, 832, 960, 1040, 1248, 1282, 1560, 1664, 1920, 1923, 2080, 2496, 2564, 3120, 3205, 3846, 4160, 4992, 5128, 6240, 6410, 7692, 8320, 8333, 9615, 10256, 12480, 12820, 15384, 16666, 19230, 20512, 24960, 24999, 25640, 30768, 33332, 38460, 41024, 41665, 49998, 51280, 61536, 66664, 76920, 82048, 83330, 99996, 102560, 123072, 124995, 133328, 153840, 166660, 199992, 205120, 246144, 249990, 266656, 307680, 333320, 399984, 410240, 499980, 533312, 615360, 666640, 799968, 999960, 1066624, 1230720, 1333280, 1599936, 1999920, 2666560, 3199872, 3999840, 5333120, 7999680, 15999360]

約数ペア:

[(1, 15999360), (2, 7999680), (3, 5333120), (4, 3999840), (5, 3199872), (6, 2666560), (8, 1999920), (10, 1599936), (12, 1333280), (13, 1230720), (15, 1066624), (16, 999960), (20, 799968), (24, 666640), (26, 615360), (30, 533312), (32, 499980), (39, 410240), (40, 399984), (48, 333320), (52, 307680), (60, 266656), (64, 249990), (65, 246144), (78, 205120), (80, 199992), (96, 166660), (104, 153840), (120, 133328), (128, 124995), (130, 123072), (156, 102560), (160, 99996), (192, 83330), (195, 82048), (208, 76920), (240, 66664), (260, 61536), (312, 51280), (320, 49998), (384, 41665), (390, 41024), (416, 38460), (480, 33332), (520, 30768), (624, 25640), (640, 24999), (641, 24960), (780, 20512), (832, 19230), (960, 16666), (1040, 15384), (1248, 12820), (1282, 12480), (1560, 10256), (1664, 9615), (1920, 8333), (1923, 8320), (2080, 7692), (2496, 6410), (2564, 6240), (3120, 5128), (3205, 4992), (3846, 4160)]