128473920

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1439}}^1$

素因数の和:1493

約数の個数: 168

約数和(自身を含む): 456468480

約数和(自身を除く): 327994560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 192, 240, 248, 279, 288, 310, 320, 360, 372, 465, 480, 496, 558, 576, 620, 720, 744, 930, 960, 992, 1116, 1240, 1395, 1439, 1440, 1488, 1860, 1984, 2232, 2480, 2790, 2878, 2880, 2976, 3720, 4317, 4464, 4960, 5580, 5756, 5952, 7195, 7440, 8634, 8928, 9920, 11160, 11512, 12951, 14390, 14880, 17268, 17856, 21585, 22320, 23024, 25902, 28780, 29760, 34536, 43170, 44609, 44640, 46048, 51804, 57560, 64755, 69072, 86340, 89218, 89280, 92096, 103608, 115120, 129510, 133827, 138144, 172680, 178436, 207216, 223045, 230240, 259020, 267654, 276288, 345360, 356872, 401481, 414432, 446090, 460480, 518040, 535308, 669135, 690720, 713744, 802962, 828864, 892180, 1036080, 1070616, 1338270, 1381440, 1427488, 1605924, 1784360, 2007405, 2072160, 2141232, 2676540, 2854976, 3211848, 3568720, 4014810, 4144320, 4282464, 5353080, 6423696, 7137440, 8029620, 8564928, 10706160, 12847392, 14274880, 16059240, 21412320, 25694784, 32118480, 42824640, 64236960, 128473920]

約数ペア:

[(1, 128473920), (2, 64236960), (3, 42824640), (4, 32118480), (5, 25694784), (6, 21412320), (8, 16059240), (9, 14274880), (10, 12847392), (12, 10706160), (15, 8564928), (16, 8029620), (18, 7137440), (20, 6423696), (24, 5353080), (30, 4282464), (31, 4144320), (32, 4014810), (36, 3568720), (40, 3211848), (45, 2854976), (48, 2676540), (60, 2141232), (62, 2072160), (64, 2007405), (72, 1784360), (80, 1605924), (90, 1427488), (93, 1381440), (96, 1338270), (120, 1070616), (124, 1036080), (144, 892180), (155, 828864), (160, 802962), (180, 713744), (186, 690720), (192, 669135), (240, 535308), (248, 518040), (279, 460480), (288, 446090), (310, 414432), (320, 401481), (360, 356872), (372, 345360), (465, 276288), (480, 267654), (496, 259020), (558, 230240), (576, 223045), (620, 207216), (720, 178436), (744, 172680), (930, 138144), (960, 133827), (992, 129510), (1116, 115120), (1240, 103608), (1395, 92096), (1439, 89280), (1440, 89218), (1488, 86340), (1860, 69072), (1984, 64755), (2232, 57560), (2480, 51804), (2790, 46048), (2878, 44640), (2880, 44609), (2976, 43170), (3720, 34536), (4317, 29760), (4464, 28780), (4960, 25902), (5580, 23024), (5756, 22320), (5952, 21585), (7195, 17856), (7440, 17268), (8634, 14880), (8928, 14390), (9920, 12951), (11160, 11512)]