491746560

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1621}}^1$

素因数の和:1724

約数の個数: 144

約数和(自身を含む): 1591376640

約数和(自身を除く): 1099630080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 79, 80, 96, 120, 128, 158, 160, 192, 237, 240, 256, 316, 320, 384, 395, 474, 480, 632, 640, 768, 790, 948, 960, 1185, 1264, 1280, 1580, 1621, 1896, 1920, 2370, 2528, 3160, 3242, 3792, 3840, 4740, 4863, 5056, 6320, 6484, 7584, 8105, 9480, 9726, 10112, 12640, 12968, 15168, 16210, 18960, 19452, 20224, 24315, 25280, 25936, 30336, 32420, 37920, 38904, 48630, 50560, 51872, 60672, 64840, 75840, 77808, 97260, 101120, 103744, 128059, 129680, 151680, 155616, 194520, 207488, 256118, 259360, 303360, 311232, 384177, 389040, 414976, 512236, 518720, 622464, 640295, 768354, 778080, 1024472, 1037440, 1244928, 1280590, 1536708, 1556160, 1920885, 2048944, 2074880, 2561180, 3073416, 3112320, 3841770, 4097888, 5122360, 6146832, 6224640, 7683540, 8195776, 10244720, 12293664, 15367080, 16391552, 20489440, 24587328, 30734160, 32783104, 40978880, 49174656, 61468320, 81957760, 98349312, 122936640, 163915520, 245873280, 491746560]

約数ペア:

[(1, 491746560), (2, 245873280), (3, 163915520), (4, 122936640), (5, 98349312), (6, 81957760), (8, 61468320), (10, 49174656), (12, 40978880), (15, 32783104), (16, 30734160), (20, 24587328), (24, 20489440), (30, 16391552), (32, 15367080), (40, 12293664), (48, 10244720), (60, 8195776), (64, 7683540), (79, 6224640), (80, 6146832), (96, 5122360), (120, 4097888), (128, 3841770), (158, 3112320), (160, 3073416), (192, 2561180), (237, 2074880), (240, 2048944), (256, 1920885), (316, 1556160), (320, 1536708), (384, 1280590), (395, 1244928), (474, 1037440), (480, 1024472), (632, 778080), (640, 768354), (768, 640295), (790, 622464), (948, 518720), (960, 512236), (1185, 414976), (1264, 389040), (1280, 384177), (1580, 311232), (1621, 303360), (1896, 259360), (1920, 256118), (2370, 207488), (2528, 194520), (3160, 155616), (3242, 151680), (3792, 129680), (3840, 128059), (4740, 103744), (4863, 101120), (5056, 97260), (6320, 77808), (6484, 75840), (7584, 64840), (8105, 60672), (9480, 51872), (9726, 50560), (10112, 48630), (12640, 38904), (12968, 37920), (15168, 32420), (16210, 30336), (18960, 25936), (19452, 25280), (20224, 24315)]