19680975360

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{2029}}^1$

素因数の和:2479

約数の個数: 240

約数和(自身を含む): 68356328040

約数和(自身を除く): 48675352680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 421, 480, 512, 576, 640, 720, 768, 842, 960, 1152, 1263, 1280, 1440, 1536, 1684, 1920, 2029, 2105, 2304, 2526, 2560, 2880, 3368, 3789, 3840, 4058, 4210, 4608, 5052, 5760, 6087, 6315, 6736, 7578, 7680, 8116, 8420, 10104, 10145, 11520, 12174, 12630, 13472, 15156, 16232, 16840, 18261, 18945, 20208, 20290, 23040, 24348, 25260, 26944, 30312, 30435, 32464, 33680, 36522, 37890, 40416, 40580, 48696, 50520, 53888, 60624, 60870, 64928, 67360, 73044, 75780, 80832, 81160, 91305, 97392, 101040, 107776, 121248, 121740, 129856, 134720, 146088, 151560, 161664, 162320, 182610, 194784, 202080, 215552, 242496, 243480, 259712, 269440, 292176, 303120, 323328, 324640, 365220, 389568, 404160, 484992, 486960, 519424, 538880, 584352, 606240, 646656, 649280, 730440, 779136, 808320, 854209, 969984, 973920, 1038848, 1077760, 1168704, 1212480, 1298560, 1460880, 1558272, 1616640, 1708418, 1939968, 1947840, 2337408, 2424960, 2562627, 2597120, 2921760, 3116544, 3233280, 3416836, 3895680, 4271045, 4674816, 4849920, 5125254, 5194240, 5843520, 6833672, 7687881, 7791360, 8542090, 9349632, 9699840, 10250508, 11687040, 12813135, 13667344, 15375762, 15582720, 17084180, 20501016, 23374080, 25626270, 27334688, 30751524, 34168360, 38439405, 41002032, 46748160, 51252540, 54669376, 61503048, 68336720, 76878810, 82004064, 102505080, 109338752, 123006096, 136673440, 153757620, 164008128, 205010160, 218677504, 246012192, 273346880, 307515240, 328016256, 410020320, 437355008, 492024384, 546693760, 615030480, 656032512, 820040640, 984048768, 1093387520, 1230060960, 1312065024, 1640081280, 1968097536, 2186775040, 2460121920, 3280162560, 3936195072, 4920243840, 6560325120, 9840487680, 19680975360]

約数ペア:

[(1, 19680975360), (2, 9840487680), (3, 6560325120), (4, 4920243840), (5, 3936195072), (6, 3280162560), (8, 2460121920), (9, 2186775040), (10, 1968097536), (12, 1640081280), (15, 1312065024), (16, 1230060960), (18, 1093387520), (20, 984048768), (24, 820040640), (30, 656032512), (32, 615030480), (36, 546693760), (40, 492024384), (45, 437355008), (48, 410020320), (60, 328016256), (64, 307515240), (72, 273346880), (80, 246012192), (90, 218677504), (96, 205010160), (120, 164008128), (128, 153757620), (144, 136673440), (160, 123006096), (180, 109338752), (192, 102505080), (240, 82004064), (256, 76878810), (288, 68336720), (320, 61503048), (360, 54669376), (384, 51252540), (421, 46748160), (480, 41002032), (512, 38439405), (576, 34168360), (640, 30751524), (720, 27334688), (768, 25626270), (842, 23374080), (960, 20501016), (1152, 17084180), (1263, 15582720), (1280, 15375762), (1440, 13667344), (1536, 12813135), (1684, 11687040), (1920, 10250508), (2029, 9699840), (2105, 9349632), (2304, 8542090), (2526, 7791360), (2560, 7687881), (2880, 6833672), (3368, 5843520), (3789, 5194240), (3840, 5125254), (4058, 4849920), (4210, 4674816), (4608, 4271045), (5052, 3895680), (5760, 3416836), (6087, 3233280), (6315, 3116544), (6736, 2921760), (7578, 2597120), (7680, 2562627), (8116, 2424960), (8420, 2337408), (10104, 1947840), (10145, 1939968), (11520, 1708418), (12174, 1616640), (12630, 1558272), (13472, 1460880), (15156, 1298560), (16232, 1212480), (16840, 1168704), (18261, 1077760), (18945, 1038848), (20208, 973920), (20290, 969984), (23040, 854209), (24348, 808320), (25260, 779136), (26944, 730440), (30312, 649280), (30435, 646656), (32464, 606240), (33680, 584352), (36522, 538880), (37890, 519424), (40416, 486960), (40580, 484992), (48696, 404160), (50520, 389568), (53888, 365220), (60624, 324640), (60870, 323328), (64928, 303120), (67360, 292176), (73044, 269440), (75780, 259712), (80832, 243480), (81160, 242496), (91305, 215552), (97392, 202080), (101040, 194784), (107776, 182610), (121248, 162320), (121740, 161664), (129856, 151560), (134720, 146088)]