255944640

素因数分解:

$2^6\times 3^1\times 5^1\times 7^2\times {\mathrm{5441}}^1$

素因数の和:5475

約数の個数: 168

約数和(自身を含む): 945471312

約数和(自身を除く): 689526672

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 392, 420, 448, 480, 490, 560, 588, 672, 735, 784, 840, 960, 980, 1120, 1176, 1344, 1470, 1568, 1680, 1960, 2240, 2352, 2940, 3136, 3360, 3920, 4704, 5441, 5880, 6720, 7840, 9408, 10882, 11760, 15680, 16323, 21764, 23520, 27205, 32646, 38087, 43528, 47040, 54410, 65292, 76174, 81615, 87056, 108820, 114261, 130584, 152348, 163230, 174112, 190435, 217640, 228522, 261168, 266609, 304696, 326460, 348224, 380870, 435280, 457044, 522336, 533218, 571305, 609392, 652920, 761740, 799827, 870560, 914088, 1044672, 1066436, 1142610, 1218784, 1305840, 1333045, 1523480, 1599654, 1741120, 1828176, 2132872, 2285220, 2437568, 2611680, 2666090, 3046960, 3199308, 3656352, 3999135, 4265744, 4570440, 5223360, 5332180, 6093920, 6398616, 7312704, 7998270, 8531488, 9140880, 10664360, 12187840, 12797232, 15996540, 17062976, 18281760, 21328720, 25594464, 31993080, 36563520, 42657440, 51188928, 63986160, 85314880, 127972320, 255944640]

約数ペア:

[(1, 255944640), (2, 127972320), (3, 85314880), (4, 63986160), (5, 51188928), (6, 42657440), (7, 36563520), (8, 31993080), (10, 25594464), (12, 21328720), (14, 18281760), (15, 17062976), (16, 15996540), (20, 12797232), (21, 12187840), (24, 10664360), (28, 9140880), (30, 8531488), (32, 7998270), (35, 7312704), (40, 6398616), (42, 6093920), (48, 5332180), (49, 5223360), (56, 4570440), (60, 4265744), (64, 3999135), (70, 3656352), (80, 3199308), (84, 3046960), (96, 2666090), (98, 2611680), (105, 2437568), (112, 2285220), (120, 2132872), (140, 1828176), (147, 1741120), (160, 1599654), (168, 1523480), (192, 1333045), (196, 1305840), (210, 1218784), (224, 1142610), (240, 1066436), (245, 1044672), (280, 914088), (294, 870560), (320, 799827), (336, 761740), (392, 652920), (420, 609392), (448, 571305), (480, 533218), (490, 522336), (560, 457044), (588, 435280), (672, 380870), (735, 348224), (784, 326460), (840, 304696), (960, 266609), (980, 261168), (1120, 228522), (1176, 217640), (1344, 190435), (1470, 174112), (1568, 163230), (1680, 152348), (1960, 130584), (2240, 114261), (2352, 108820), (2940, 87056), (3136, 81615), (3360, 76174), (3920, 65292), (4704, 54410), (5441, 47040), (5880, 43528), (6720, 38087), (7840, 32646), (9408, 27205), (10882, 23520), (11760, 21764), (15680, 16323)]