1288638720

素因数分解:

$2^8\times 3^6\times 5^1\times {\mathrm{1381}}^1$

素因数の和:1420

約数の個数: 252

約数和(自身を含む): 4631272716

約数和(自身を除く): 3342633996

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, 243, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 486, 540, 576, 640, 648, 720, 729, 768, 810, 864, 960, 972, 1080, 1152, 1215, 1280, 1296, 1381, 1440, 1458, 1620, 1728, 1920, 1944, 2160, 2304, 2430, 2592, 2762, 2880, 2916, 3240, 3456, 3645, 3840, 3888, 4143, 4320, 4860, 5184, 5524, 5760, 5832, 6480, 6905, 6912, 7290, 7776, 8286, 8640, 9720, 10368, 11048, 11520, 11664, 12429, 12960, 13810, 14580, 15552, 16572, 17280, 19440, 20715, 20736, 22096, 23328, 24858, 25920, 27620, 29160, 31104, 33144, 34560, 37287, 38880, 41430, 44192, 46656, 49716, 51840, 55240, 58320, 62145, 62208, 66288, 74574, 77760, 82860, 88384, 93312, 99432, 103680, 110480, 111861, 116640, 124290, 132576, 149148, 155520, 165720, 176768, 186435, 186624, 198864, 220960, 223722, 233280, 248580, 265152, 298296, 311040, 331440, 335583, 353536, 372870, 397728, 441920, 447444, 466560, 497160, 530304, 559305, 596592, 662880, 671166, 745740, 795456, 883840, 894888, 933120, 994320, 1006749, 1060608, 1118610, 1193184, 1325760, 1342332, 1491480, 1590912, 1677915, 1767680, 1789776, 1988640, 2013498, 2237220, 2386368, 2651520, 2684664, 2982960, 3181824, 3355830, 3579552, 3977280, 4026996, 4474440, 4772736, 5033745, 5303040, 5369328, 5965920, 6711660, 7159104, 7954560, 8053992, 8948880, 9545472, 10067490, 10738656, 11931840, 13423320, 14318208, 15909120, 16107984, 17897760, 20134980, 21477312, 23863680, 26846640, 28636416, 32215968, 35795520, 40269960, 42954624, 47727360, 53693280, 64431936, 71591040, 80539920, 85909248, 107386560, 128863872, 143182080, 161079840, 214773120, 257727744, 322159680, 429546240, 644319360, 1288638720]

約数ペア:

[(1, 1288638720), (2, 644319360), (3, 429546240), (4, 322159680), (5, 257727744), (6, 214773120), (8, 161079840), (9, 143182080), (10, 128863872), (12, 107386560), (15, 85909248), (16, 80539920), (18, 71591040), (20, 64431936), (24, 53693280), (27, 47727360), (30, 42954624), (32, 40269960), (36, 35795520), (40, 32215968), (45, 28636416), (48, 26846640), (54, 23863680), (60, 21477312), (64, 20134980), (72, 17897760), (80, 16107984), (81, 15909120), (90, 14318208), (96, 13423320), (108, 11931840), (120, 10738656), (128, 10067490), (135, 9545472), (144, 8948880), (160, 8053992), (162, 7954560), (180, 7159104), (192, 6711660), (216, 5965920), (240, 5369328), (243, 5303040), (256, 5033745), (270, 4772736), (288, 4474440), (320, 4026996), (324, 3977280), (360, 3579552), (384, 3355830), (405, 3181824), (432, 2982960), (480, 2684664), (486, 2651520), (540, 2386368), (576, 2237220), (640, 2013498), (648, 1988640), (720, 1789776), (729, 1767680), (768, 1677915), (810, 1590912), (864, 1491480), (960, 1342332), (972, 1325760), (1080, 1193184), (1152, 1118610), (1215, 1060608), (1280, 1006749), (1296, 994320), (1381, 933120), (1440, 894888), (1458, 883840), (1620, 795456), (1728, 745740), (1920, 671166), (1944, 662880), (2160, 596592), (2304, 559305), (2430, 530304), (2592, 497160), (2762, 466560), (2880, 447444), (2916, 441920), (3240, 397728), (3456, 372870), (3645, 353536), (3840, 335583), (3888, 331440), (4143, 311040), (4320, 298296), (4860, 265152), (5184, 248580), (5524, 233280), (5760, 223722), (5832, 220960), (6480, 198864), (6905, 186624), (6912, 186435), (7290, 176768), (7776, 165720), (8286, 155520), (8640, 149148), (9720, 132576), (10368, 124290), (11048, 116640), (11520, 111861), (11664, 110480), (12429, 103680), (12960, 99432), (13810, 93312), (14580, 88384), (15552, 82860), (16572, 77760), (17280, 74574), (19440, 66288), (20715, 62208), (20736, 62145), (22096, 58320), (23328, 55240), (24858, 51840), (25920, 49716), (27620, 46656), (29160, 44192), (31104, 41430), (33144, 38880), (34560, 37287)]