661029120

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:678

約数の個数: 288

約数和(自身を含む): 2425328640

約数和(自身を除く): 1764299520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 64, 72, 80, 90, 93, 96, 108, 120, 124, 128, 135, 144, 155, 160, 180, 186, 192, 216, 240, 248, 256, 270, 279, 288, 310, 320, 360, 372, 384, 432, 465, 480, 496, 540, 558, 576, 617, 620, 640, 720, 744, 768, 837, 864, 930, 960, 992, 1080, 1116, 1152, 1234, 1240, 1280, 1395, 1440, 1488, 1674, 1728, 1851, 1860, 1920, 1984, 2160, 2232, 2304, 2468, 2480, 2790, 2880, 2976, 3085, 3348, 3456, 3702, 3720, 3840, 3968, 4185, 4320, 4464, 4936, 4960, 5553, 5580, 5760, 5952, 6170, 6696, 6912, 7404, 7440, 7936, 8370, 8640, 8928, 9255, 9872, 9920, 11106, 11160, 11520, 11904, 12340, 13392, 14808, 14880, 16659, 16740, 17280, 17856, 18510, 19127, 19744, 19840, 22212, 22320, 23808, 24680, 26784, 27765, 29616, 29760, 33318, 33480, 34560, 35712, 37020, 38254, 39488, 39680, 44424, 44640, 49360, 53568, 55530, 57381, 59232, 59520, 66636, 66960, 71424, 74040, 76508, 78976, 83295, 88848, 89280, 95635, 98720, 107136, 111060, 114762, 118464, 119040, 133272, 133920, 148080, 153016, 157952, 166590, 172143, 177696, 178560, 191270, 197440, 214272, 222120, 229524, 236928, 266544, 267840, 286905, 296160, 306032, 333180, 344286, 355392, 357120, 382540, 394880, 444240, 459048, 473856, 516429, 533088, 535680, 573810, 592320, 612064, 666360, 688572, 710784, 765080, 789760, 860715, 888480, 918096, 1032858, 1066176, 1071360, 1147620, 1184640, 1224128, 1332720, 1377144, 1421568, 1530160, 1721430, 1776960, 1836192, 2065716, 2132352, 2295240, 2369280, 2448256, 2582145, 2665440, 2754288, 3060320, 3442860, 3553920, 3672384, 4131432, 4264704, 4590480, 4896512, 5164290, 5330880, 5508576, 6120640, 6885720, 7107840, 7344768, 8262864, 9180960, 10328580, 10661760, 11017152, 12241280, 13771440, 14689536, 16525728, 18361920, 20657160, 21323520, 22034304, 24482560, 27542880, 33051456, 36723840, 41314320, 44068608, 55085760, 66102912, 73447680, 82628640, 110171520, 132205824, 165257280, 220343040, 330514560, 661029120]

約数ペア:

[(1, 661029120), (2, 330514560), (3, 220343040), (4, 165257280), (5, 132205824), (6, 110171520), (8, 82628640), (9, 73447680), (10, 66102912), (12, 55085760), (15, 44068608), (16, 41314320), (18, 36723840), (20, 33051456), (24, 27542880), (27, 24482560), (30, 22034304), (31, 21323520), (32, 20657160), (36, 18361920), (40, 16525728), (45, 14689536), (48, 13771440), (54, 12241280), (60, 11017152), (62, 10661760), (64, 10328580), (72, 9180960), (80, 8262864), (90, 7344768), (93, 7107840), (96, 6885720), (108, 6120640), (120, 5508576), (124, 5330880), (128, 5164290), (135, 4896512), (144, 4590480), (155, 4264704), (160, 4131432), (180, 3672384), (186, 3553920), (192, 3442860), (216, 3060320), (240, 2754288), (248, 2665440), (256, 2582145), (270, 2448256), (279, 2369280), (288, 2295240), (310, 2132352), (320, 2065716), (360, 1836192), (372, 1776960), (384, 1721430), (432, 1530160), (465, 1421568), (480, 1377144), (496, 1332720), (540, 1224128), (558, 1184640), (576, 1147620), (617, 1071360), (620, 1066176), (640, 1032858), (720, 918096), (744, 888480), (768, 860715), (837, 789760), (864, 765080), (930, 710784), (960, 688572), (992, 666360), (1080, 612064), (1116, 592320), (1152, 573810), (1234, 535680), (1240, 533088), (1280, 516429), (1395, 473856), (1440, 459048), (1488, 444240), (1674, 394880), (1728, 382540), (1851, 357120), (1860, 355392), (1920, 344286), (1984, 333180), (2160, 306032), (2232, 296160), (2304, 286905), (2468, 267840), (2480, 266544), (2790, 236928), (2880, 229524), (2976, 222120), (3085, 214272), (3348, 197440), (3456, 191270), (3702, 178560), (3720, 177696), (3840, 172143), (3968, 166590), (4185, 157952), (4320, 153016), (4464, 148080), (4936, 133920), (4960, 133272), (5553, 119040), (5580, 118464), (5760, 114762), (5952, 111060), (6170, 107136), (6696, 98720), (6912, 95635), (7404, 89280), (7440, 88848), (7936, 83295), (8370, 78976), (8640, 76508), (8928, 74040), (9255, 71424), (9872, 66960), (9920, 66636), (11106, 59520), (11160, 59232), (11520, 57381), (11904, 55530), (12340, 53568), (13392, 49360), (14808, 44640), (14880, 44424), (16659, 39680), (16740, 39488), (17280, 38254), (17856, 37020), (18510, 35712), (19127, 34560), (19744, 33480), (19840, 33318), (22212, 29760), (22320, 29616), (23808, 27765), (24680, 26784)]