243440640

素因数分解:

$2^{10}\times 3^4\times 5^1\times {\mathrm{587}}^1$

素因数の和:624

約数の個数: 220

約数和(自身を含む): 873839736

約数和(自身を除く): 630399096

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 512, 540, 576, 587, 640, 648, 720, 768, 810, 864, 960, 1024, 1080, 1152, 1174, 1280, 1296, 1440, 1536, 1620, 1728, 1761, 1920, 2160, 2304, 2348, 2560, 2592, 2880, 2935, 3072, 3240, 3456, 3522, 3840, 4320, 4608, 4696, 5120, 5184, 5283, 5760, 5870, 6480, 6912, 7044, 7680, 8640, 8805, 9216, 9392, 10368, 10566, 11520, 11740, 12960, 13824, 14088, 15360, 15849, 17280, 17610, 18784, 20736, 21132, 23040, 23480, 25920, 26415, 27648, 28176, 31698, 34560, 35220, 37568, 41472, 42264, 46080, 46960, 47547, 51840, 52830, 56352, 63396, 69120, 70440, 75136, 79245, 82944, 84528, 93920, 95094, 103680, 105660, 112704, 126792, 138240, 140880, 150272, 158490, 169056, 187840, 190188, 207360, 211320, 225408, 237735, 253584, 281760, 300544, 316980, 338112, 375680, 380376, 414720, 422640, 450816, 475470, 507168, 563520, 601088, 633960, 676224, 751360, 760752, 845280, 901632, 950940, 1014336, 1127040, 1267920, 1352448, 1502720, 1521504, 1690560, 1803264, 1901880, 2028672, 2254080, 2535840, 2704896, 3005440, 3043008, 3381120, 3803760, 4057344, 4508160, 5071680, 5409792, 6086016, 6762240, 7607520, 8114688, 9016320, 10143360, 12172032, 13524480, 15215040, 16229376, 20286720, 24344064, 27048960, 30430080, 40573440, 48688128, 60860160, 81146880, 121720320, 243440640]

約数ペア:

[(1, 243440640), (2, 121720320), (3, 81146880), (4, 60860160), (5, 48688128), (6, 40573440), (8, 30430080), (9, 27048960), (10, 24344064), (12, 20286720), (15, 16229376), (16, 15215040), (18, 13524480), (20, 12172032), (24, 10143360), (27, 9016320), (30, 8114688), (32, 7607520), (36, 6762240), (40, 6086016), (45, 5409792), (48, 5071680), (54, 4508160), (60, 4057344), (64, 3803760), (72, 3381120), (80, 3043008), (81, 3005440), (90, 2704896), (96, 2535840), (108, 2254080), (120, 2028672), (128, 1901880), (135, 1803264), (144, 1690560), (160, 1521504), (162, 1502720), (180, 1352448), (192, 1267920), (216, 1127040), (240, 1014336), (256, 950940), (270, 901632), (288, 845280), (320, 760752), (324, 751360), (360, 676224), (384, 633960), (405, 601088), (432, 563520), (480, 507168), (512, 475470), (540, 450816), (576, 422640), (587, 414720), (640, 380376), (648, 375680), (720, 338112), (768, 316980), (810, 300544), (864, 281760), (960, 253584), (1024, 237735), (1080, 225408), (1152, 211320), (1174, 207360), (1280, 190188), (1296, 187840), (1440, 169056), (1536, 158490), (1620, 150272), (1728, 140880), (1761, 138240), (1920, 126792), (2160, 112704), (2304, 105660), (2348, 103680), (2560, 95094), (2592, 93920), (2880, 84528), (2935, 82944), (3072, 79245), (3240, 75136), (3456, 70440), (3522, 69120), (3840, 63396), (4320, 56352), (4608, 52830), (4696, 51840), (5120, 47547), (5184, 46960), (5283, 46080), (5760, 42264), (5870, 41472), (6480, 37568), (6912, 35220), (7044, 34560), (7680, 31698), (8640, 28176), (8805, 27648), (9216, 26415), (9392, 25920), (10368, 23480), (10566, 23040), (11520, 21132), (11740, 20736), (12960, 18784), (13824, 17610), (14088, 17280), (15360, 15849)]