161871480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2111}}^1$

素因数の和:2202

約数の個数: 128

約数和(自身を含む): 547430400

約数和(自身を除く): 385558920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 71, 72, 90, 108, 120, 135, 142, 180, 213, 216, 270, 284, 355, 360, 426, 540, 568, 639, 710, 852, 1065, 1080, 1278, 1420, 1704, 1917, 2111, 2130, 2556, 2840, 3195, 3834, 4222, 4260, 5112, 6333, 6390, 7668, 8444, 8520, 9585, 10555, 12666, 12780, 15336, 16888, 18999, 19170, 21110, 25332, 25560, 31665, 37998, 38340, 42220, 50664, 56997, 63330, 75996, 76680, 84440, 94995, 113994, 126660, 149881, 151992, 189990, 227988, 253320, 284985, 299762, 379980, 449643, 455976, 569970, 599524, 749405, 759960, 899286, 1139940, 1199048, 1348929, 1498810, 1798572, 2248215, 2279880, 2697858, 2997620, 3597144, 4046787, 4496430, 5395716, 5995240, 6744645, 8093574, 8992860, 10791432, 13489290, 16187148, 17985720, 20233935, 26978580, 32374296, 40467870, 53957160, 80935740, 161871480]

約数ペア:

[(1, 161871480), (2, 80935740), (3, 53957160), (4, 40467870), (5, 32374296), (6, 26978580), (8, 20233935), (9, 17985720), (10, 16187148), (12, 13489290), (15, 10791432), (18, 8992860), (20, 8093574), (24, 6744645), (27, 5995240), (30, 5395716), (36, 4496430), (40, 4046787), (45, 3597144), (54, 2997620), (60, 2697858), (71, 2279880), (72, 2248215), (90, 1798572), (108, 1498810), (120, 1348929), (135, 1199048), (142, 1139940), (180, 899286), (213, 759960), (216, 749405), (270, 599524), (284, 569970), (355, 455976), (360, 449643), (426, 379980), (540, 299762), (568, 284985), (639, 253320), (710, 227988), (852, 189990), (1065, 151992), (1080, 149881), (1278, 126660), (1420, 113994), (1704, 94995), (1917, 84440), (2111, 76680), (2130, 75996), (2556, 63330), (2840, 56997), (3195, 50664), (3834, 42220), (4222, 38340), (4260, 37998), (5112, 31665), (6333, 25560), (6390, 25332), (7668, 21110), (8444, 19170), (8520, 18999), (9585, 16888), (10555, 15336), (12666, 12780)]