2021418240

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16981}}^1$

素因数の和:17036

約数の個数: 144

約数和(自身を含む): 6664551936

約数和(自身を除く): 4643133696

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 256, 310, 320, 372, 384, 465, 480, 496, 620, 640, 744, 768, 930, 960, 992, 1240, 1280, 1488, 1860, 1920, 1984, 2480, 2976, 3720, 3840, 3968, 4960, 5952, 7440, 7936, 9920, 11904, 14880, 16981, 19840, 23808, 29760, 33962, 39680, 50943, 59520, 67924, 84905, 101886, 119040, 135848, 169810, 203772, 254715, 271696, 339620, 407544, 509430, 526411, 543392, 679240, 815088, 1018860, 1052822, 1086784, 1358480, 1579233, 1630176, 2037720, 2105644, 2173568, 2632055, 2716960, 3158466, 3260352, 4075440, 4211288, 4347136, 5264110, 5433920, 6316932, 6520704, 7896165, 8150880, 8422576, 10528220, 10867840, 12633864, 13041408, 15792330, 16301760, 16845152, 21056440, 21735680, 25267728, 31584660, 32603520, 33690304, 42112880, 50535456, 63169320, 65207040, 67380608, 84225760, 101070912, 126338640, 134761216, 168451520, 202141824, 252677280, 336903040, 404283648, 505354560, 673806080, 1010709120, 2021418240]

約数ペア:

[(1, 2021418240), (2, 1010709120), (3, 673806080), (4, 505354560), (5, 404283648), (6, 336903040), (8, 252677280), (10, 202141824), (12, 168451520), (15, 134761216), (16, 126338640), (20, 101070912), (24, 84225760), (30, 67380608), (31, 65207040), (32, 63169320), (40, 50535456), (48, 42112880), (60, 33690304), (62, 32603520), (64, 31584660), (80, 25267728), (93, 21735680), (96, 21056440), (120, 16845152), (124, 16301760), (128, 15792330), (155, 13041408), (160, 12633864), (186, 10867840), (192, 10528220), (240, 8422576), (248, 8150880), (256, 7896165), (310, 6520704), (320, 6316932), (372, 5433920), (384, 5264110), (465, 4347136), (480, 4211288), (496, 4075440), (620, 3260352), (640, 3158466), (744, 2716960), (768, 2632055), (930, 2173568), (960, 2105644), (992, 2037720), (1240, 1630176), (1280, 1579233), (1488, 1358480), (1860, 1086784), (1920, 1052822), (1984, 1018860), (2480, 815088), (2976, 679240), (3720, 543392), (3840, 526411), (3968, 509430), (4960, 407544), (5952, 339620), (7440, 271696), (7936, 254715), (9920, 203772), (11904, 169810), (14880, 135848), (16981, 119040), (19840, 101886), (23808, 84905), (29760, 67924), (33962, 59520), (39680, 50943)]