1288448640

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{431}}^1$

素因数の和:632

約数の個数: 256

約数和(自身を含む): 4600281600

約数和(自身を除く): 3311832960

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, 90, 96, 108, 120, 128, 135, 144, 160, 173, 180, 192, 216, 240, 270, 288, 320, 346, 360, 384, 431, 432, 480, 519, 540, 576, 640, 692, 720, 862, 864, 865, 960, 1038, 1080, 1152, 1293, 1384, 1440, 1557, 1724, 1728, 1730, 1920, 2076, 2155, 2160, 2586, 2595, 2768, 2880, 3114, 3448, 3456, 3460, 3879, 4152, 4310, 4320, 4671, 5172, 5190, 5536, 5760, 6228, 6465, 6896, 6920, 7758, 7785, 8304, 8620, 8640, 9342, 10344, 10380, 11072, 11637, 12456, 12930, 13792, 13840, 15516, 15570, 16608, 17240, 17280, 18684, 19395, 20688, 20760, 22144, 23274, 23355, 24912, 25860, 27584, 27680, 31032, 31140, 33216, 34480, 37368, 38790, 41376, 41520, 46548, 46710, 49824, 51720, 55168, 55360, 58185, 62064, 62280, 66432, 68960, 74563, 74736, 77580, 82752, 83040, 93096, 93420, 99648, 103440, 110720, 116370, 124128, 124560, 137920, 149126, 149472, 155160, 165504, 166080, 186192, 186840, 199296, 206880, 223689, 232740, 248256, 249120, 275840, 298252, 298944, 310320, 332160, 372384, 372815, 373680, 413760, 447378, 465480, 496512, 498240, 596504, 597888, 620640, 671067, 744768, 745630, 747360, 827520, 894756, 930960, 996480, 1118445, 1193008, 1241280, 1342134, 1489536, 1491260, 1494720, 1789512, 1861920, 2013201, 2236890, 2386016, 2482560, 2684268, 2982520, 2989440, 3355335, 3579024, 3723840, 4026402, 4473780, 4772032, 5368536, 5965040, 6710670, 7158048, 7447680, 8052804, 8947560, 9544064, 10066005, 10737072, 11930080, 13421340, 14316096, 16105608, 17895120, 20132010, 21474144, 23860160, 26842680, 28632192, 32211216, 35790240, 40264020, 42948288, 47720320, 53685360, 64422432, 71580480, 80528040, 85896576, 107370720, 128844864, 143160960, 161056080, 214741440, 257689728, 322112160, 429482880, 644224320, 1288448640]

約数ペア:

[(1, 1288448640), (2, 644224320), (3, 429482880), (4, 322112160), (5, 257689728), (6, 214741440), (8, 161056080), (9, 143160960), (10, 128844864), (12, 107370720), (15, 85896576), (16, 80528040), (18, 71580480), (20, 64422432), (24, 53685360), (27, 47720320), (30, 42948288), (32, 40264020), (36, 35790240), (40, 32211216), (45, 28632192), (48, 26842680), (54, 23860160), (60, 21474144), (64, 20132010), (72, 17895120), (80, 16105608), (90, 14316096), (96, 13421340), (108, 11930080), (120, 10737072), (128, 10066005), (135, 9544064), (144, 8947560), (160, 8052804), (173, 7447680), (180, 7158048), (192, 6710670), (216, 5965040), (240, 5368536), (270, 4772032), (288, 4473780), (320, 4026402), (346, 3723840), (360, 3579024), (384, 3355335), (431, 2989440), (432, 2982520), (480, 2684268), (519, 2482560), (540, 2386016), (576, 2236890), (640, 2013201), (692, 1861920), (720, 1789512), (862, 1494720), (864, 1491260), (865, 1489536), (960, 1342134), (1038, 1241280), (1080, 1193008), (1152, 1118445), (1293, 996480), (1384, 930960), (1440, 894756), (1557, 827520), (1724, 747360), (1728, 745630), (1730, 744768), (1920, 671067), (2076, 620640), (2155, 597888), (2160, 596504), (2586, 498240), (2595, 496512), (2768, 465480), (2880, 447378), (3114, 413760), (3448, 373680), (3456, 372815), (3460, 372384), (3879, 332160), (4152, 310320), (4310, 298944), (4320, 298252), (4671, 275840), (5172, 249120), (5190, 248256), (5536, 232740), (5760, 223689), (6228, 206880), (6465, 199296), (6896, 186840), (6920, 186192), (7758, 166080), (7785, 165504), (8304, 155160), (8620, 149472), (8640, 149126), (9342, 137920), (10344, 124560), (10380, 124128), (11072, 116370), (11637, 110720), (12456, 103440), (12930, 99648), (13792, 93420), (13840, 93096), (15516, 83040), (15570, 82752), (16608, 77580), (17240, 74736), (17280, 74563), (18684, 68960), (19395, 66432), (20688, 62280), (20760, 62064), (22144, 58185), (23274, 55360), (23355, 55168), (24912, 51720), (25860, 49824), (27584, 46710), (27680, 46548), (31032, 41520), (31140, 41376), (33216, 38790), (34480, 37368)]