129261720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4159}}^1$

素因数の和:4217

約数の個数: 128

約数和(自身を含む): 455270400

約数和(自身を除く): 326008680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 56, 60, 70, 74, 84, 105, 111, 120, 140, 148, 168, 185, 210, 222, 259, 280, 296, 370, 420, 444, 518, 555, 740, 777, 840, 888, 1036, 1110, 1295, 1480, 1554, 2072, 2220, 2590, 3108, 3885, 4159, 4440, 5180, 6216, 7770, 8318, 10360, 12477, 15540, 16636, 20795, 24954, 29113, 31080, 33272, 41590, 49908, 58226, 62385, 83180, 87339, 99816, 116452, 124770, 145565, 153883, 166360, 174678, 232904, 249540, 291130, 307766, 349356, 436695, 461649, 499080, 582260, 615532, 698712, 769415, 873390, 923298, 1077181, 1164520, 1231064, 1538830, 1746780, 1846596, 2154362, 2308245, 3077660, 3231543, 3493560, 3693192, 4308724, 4616490, 5385905, 6155320, 6463086, 8617448, 9232980, 10771810, 12926172, 16157715, 18465960, 21543620, 25852344, 32315430, 43087240, 64630860, 129261720]

約数ペア:

[(1, 129261720), (2, 64630860), (3, 43087240), (4, 32315430), (5, 25852344), (6, 21543620), (7, 18465960), (8, 16157715), (10, 12926172), (12, 10771810), (14, 9232980), (15, 8617448), (20, 6463086), (21, 6155320), (24, 5385905), (28, 4616490), (30, 4308724), (35, 3693192), (37, 3493560), (40, 3231543), (42, 3077660), (56, 2308245), (60, 2154362), (70, 1846596), (74, 1746780), (84, 1538830), (105, 1231064), (111, 1164520), (120, 1077181), (140, 923298), (148, 873390), (168, 769415), (185, 698712), (210, 615532), (222, 582260), (259, 499080), (280, 461649), (296, 436695), (370, 349356), (420, 307766), (444, 291130), (518, 249540), (555, 232904), (740, 174678), (777, 166360), (840, 153883), (888, 145565), (1036, 124770), (1110, 116452), (1295, 99816), (1480, 87339), (1554, 83180), (2072, 62385), (2220, 58226), (2590, 49908), (3108, 41590), (3885, 33272), (4159, 31080), (4440, 29113), (5180, 24954), (6216, 20795), (7770, 16636), (8318, 15540), (10360, 12477)]