1561685760

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4373}}^1$

素因数の和:4431

約数の個数: 216

約数和(自身を含む): 5578844544

約数和(自身を除く): 4017158784

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, 128, 144, 155, 160, 180, 186, 192, 240, 248, 256, 279, 288, 310, 320, 360, 372, 384, 465, 480, 496, 558, 576, 620, 640, 720, 744, 768, 930, 960, 992, 1116, 1152, 1240, 1280, 1395, 1440, 1488, 1860, 1920, 1984, 2232, 2304, 2480, 2790, 2880, 2976, 3720, 3840, 3968, 4373, 4464, 4960, 5580, 5760, 5952, 7440, 7936, 8746, 8928, 9920, 11160, 11520, 11904, 13119, 14880, 17492, 17856, 19840, 21865, 22320, 23808, 26238, 29760, 34984, 35712, 39357, 39680, 43730, 44640, 52476, 59520, 65595, 69968, 71424, 78714, 87460, 89280, 104952, 119040, 131190, 135563, 139936, 157428, 174920, 178560, 196785, 209904, 262380, 271126, 279872, 314856, 349840, 357120, 393570, 406689, 419808, 524760, 542252, 559744, 629712, 677815, 699680, 787140, 813378, 839616, 1049520, 1084504, 1119488, 1220067, 1259424, 1355630, 1399360, 1574280, 1626756, 1679232, 2033445, 2099040, 2169008, 2440134, 2518848, 2711260, 2798720, 3148560, 3253512, 3358464, 4066890, 4198080, 4338016, 4880268, 5037696, 5422520, 5597440, 6100335, 6297120, 6507024, 8133780, 8396160, 8676032, 9760536, 10075392, 10845040, 12200670, 12594240, 13014048, 16267560, 16792320, 17352064, 19521072, 21690080, 24401340, 25188480, 26028096, 32535120, 34704128, 39042144, 43380160, 48802680, 50376960, 52056192, 65070240, 78084288, 86760320, 97605360, 104112384, 130140480, 156168576, 173520640, 195210720, 260280960, 312337152, 390421440, 520561920, 780842880, 1561685760]

約数ペア:

[(1, 1561685760), (2, 780842880), (3, 520561920), (4, 390421440), (5, 312337152), (6, 260280960), (8, 195210720), (9, 173520640), (10, 156168576), (12, 130140480), (15, 104112384), (16, 97605360), (18, 86760320), (20, 78084288), (24, 65070240), (30, 52056192), (31, 50376960), (32, 48802680), (36, 43380160), (40, 39042144), (45, 34704128), (48, 32535120), (60, 26028096), (62, 25188480), (64, 24401340), (72, 21690080), (80, 19521072), (90, 17352064), (93, 16792320), (96, 16267560), (120, 13014048), (124, 12594240), (128, 12200670), (144, 10845040), (155, 10075392), (160, 9760536), (180, 8676032), (186, 8396160), (192, 8133780), (240, 6507024), (248, 6297120), (256, 6100335), (279, 5597440), (288, 5422520), (310, 5037696), (320, 4880268), (360, 4338016), (372, 4198080), (384, 4066890), (465, 3358464), (480, 3253512), (496, 3148560), (558, 2798720), (576, 2711260), (620, 2518848), (640, 2440134), (720, 2169008), (744, 2099040), (768, 2033445), (930, 1679232), (960, 1626756), (992, 1574280), (1116, 1399360), (1152, 1355630), (1240, 1259424), (1280, 1220067), (1395, 1119488), (1440, 1084504), (1488, 1049520), (1860, 839616), (1920, 813378), (1984, 787140), (2232, 699680), (2304, 677815), (2480, 629712), (2790, 559744), (2880, 542252), (2976, 524760), (3720, 419808), (3840, 406689), (3968, 393570), (4373, 357120), (4464, 349840), (4960, 314856), (5580, 279872), (5760, 271126), (5952, 262380), (7440, 209904), (7936, 196785), (8746, 178560), (8928, 174920), (9920, 157428), (11160, 139936), (11520, 135563), (11904, 131190), (13119, 119040), (14880, 104952), (17492, 89280), (17856, 87460), (19840, 78714), (21865, 71424), (22320, 69968), (23808, 65595), (26238, 59520), (29760, 52476), (34984, 44640), (35712, 43730), (39357, 39680)]