131312520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15859}}^1$

素因数の和:15899

約数の個数: 96

約数和(自身を含む): 445348800

約数和(自身を除く): 314036280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 414, 460, 552, 690, 828, 920, 1035, 1380, 1656, 2070, 2760, 4140, 8280, 15859, 31718, 47577, 63436, 79295, 95154, 126872, 142731, 158590, 190308, 237885, 285462, 317180, 364757, 380616, 475770, 570924, 634360, 713655, 729514, 951540, 1094271, 1141848, 1427310, 1459028, 1823785, 1903080, 2188542, 2854620, 2918056, 3282813, 3647570, 4377084, 5471355, 5709240, 6565626, 7295140, 8754168, 10942710, 13131252, 14590280, 16414065, 21885420, 26262504, 32828130, 43770840, 65656260, 131312520]

約数ペア:

[(1, 131312520), (2, 65656260), (3, 43770840), (4, 32828130), (5, 26262504), (6, 21885420), (8, 16414065), (9, 14590280), (10, 13131252), (12, 10942710), (15, 8754168), (18, 7295140), (20, 6565626), (23, 5709240), (24, 5471355), (30, 4377084), (36, 3647570), (40, 3282813), (45, 2918056), (46, 2854620), (60, 2188542), (69, 1903080), (72, 1823785), (90, 1459028), (92, 1427310), (115, 1141848), (120, 1094271), (138, 951540), (180, 729514), (184, 713655), (207, 634360), (230, 570924), (276, 475770), (345, 380616), (360, 364757), (414, 317180), (460, 285462), (552, 237885), (690, 190308), (828, 158590), (920, 142731), (1035, 126872), (1380, 95154), (1656, 79295), (2070, 63436), (2760, 47577), (4140, 31718), (8280, 15859)]