1640843520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{3119}}^1$

素因数の和:3280

約数の個数: 144

約数和(自身を含む): 5280387840

約数和(自身を除く): 3639544320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 137, 160, 192, 240, 256, 274, 320, 384, 411, 480, 548, 640, 685, 768, 822, 960, 1096, 1280, 1370, 1644, 1920, 2055, 2192, 2740, 3119, 3288, 3840, 4110, 4384, 5480, 6238, 6576, 8220, 8768, 9357, 10960, 12476, 13152, 15595, 16440, 17536, 18714, 21920, 24952, 26304, 31190, 32880, 35072, 37428, 43840, 46785, 49904, 52608, 62380, 65760, 74856, 87680, 93570, 99808, 105216, 124760, 131520, 149712, 175360, 187140, 199616, 249520, 263040, 299424, 374280, 399232, 427303, 499040, 526080, 598848, 748560, 798464, 854606, 998080, 1197696, 1281909, 1497120, 1709212, 1996160, 2136515, 2395392, 2563818, 2994240, 3418424, 3992320, 4273030, 5127636, 5988480, 6409545, 6836848, 8546060, 10255272, 11976960, 12819090, 13673696, 17092120, 20510544, 25638180, 27347392, 34184240, 41021088, 51276360, 54694784, 68368480, 82042176, 102552720, 109389568, 136736960, 164084352, 205105440, 273473920, 328168704, 410210880, 546947840, 820421760, 1640843520]

約数ペア:

[(1, 1640843520), (2, 820421760), (3, 546947840), (4, 410210880), (5, 328168704), (6, 273473920), (8, 205105440), (10, 164084352), (12, 136736960), (15, 109389568), (16, 102552720), (20, 82042176), (24, 68368480), (30, 54694784), (32, 51276360), (40, 41021088), (48, 34184240), (60, 27347392), (64, 25638180), (80, 20510544), (96, 17092120), (120, 13673696), (128, 12819090), (137, 11976960), (160, 10255272), (192, 8546060), (240, 6836848), (256, 6409545), (274, 5988480), (320, 5127636), (384, 4273030), (411, 3992320), (480, 3418424), (548, 2994240), (640, 2563818), (685, 2395392), (768, 2136515), (822, 1996160), (960, 1709212), (1096, 1497120), (1280, 1281909), (1370, 1197696), (1644, 998080), (1920, 854606), (2055, 798464), (2192, 748560), (2740, 598848), (3119, 526080), (3288, 499040), (3840, 427303), (4110, 399232), (4384, 374280), (5480, 299424), (6238, 263040), (6576, 249520), (8220, 199616), (8768, 187140), (9357, 175360), (10960, 149712), (12476, 131520), (13152, 124760), (15595, 105216), (16440, 99808), (17536, 93570), (18714, 87680), (21920, 74856), (24952, 65760), (26304, 62380), (31190, 52608), (32880, 49904), (35072, 46785), (37428, 43840)]