1261526560

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:344

約数の個数: 192

約数和(自身を含む): 3522355200

約数和(自身を除く): 2260828640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 127, 140, 160, 181, 196, 224, 245, 254, 280, 343, 362, 392, 490, 508, 560, 635, 686, 724, 784, 889, 905, 980, 1016, 1120, 1267, 1270, 1372, 1448, 1568, 1715, 1778, 1810, 1960, 2032, 2534, 2540, 2744, 2896, 3430, 3556, 3620, 3920, 4064, 4445, 5068, 5080, 5488, 5792, 6223, 6335, 6860, 7112, 7240, 7840, 8869, 8890, 10136, 10160, 10976, 12446, 12670, 13720, 14224, 14480, 17738, 17780, 20272, 20320, 22987, 24892, 25340, 27440, 28448, 28960, 31115, 35476, 35560, 40544, 43561, 44345, 45974, 49784, 50680, 54880, 62083, 62230, 70952, 71120, 87122, 88690, 91948, 99568, 101360, 114935, 124166, 124460, 141904, 142240, 160909, 174244, 177380, 183896, 199136, 202720, 217805, 229870, 248332, 248920, 283808, 310415, 321818, 348488, 354760, 367792, 435610, 459740, 496664, 497840, 620830, 643636, 696976, 709520, 735584, 804545, 871220, 919480, 993328, 995680, 1126363, 1241660, 1287272, 1393952, 1419040, 1609090, 1742440, 1838960, 1986656, 2252726, 2483320, 2574544, 3218180, 3484880, 3677920, 4505452, 4966640, 5149088, 5631815, 6436360, 6969760, 7884541, 9010904, 9933280, 11263630, 12872720, 15769082, 18021808, 22527260, 25745440, 31538164, 36043616, 39422705, 45054520, 63076328, 78845410, 90109040, 126152656, 157690820, 180218080, 252305312, 315381640, 630763280, 1261526560]

約数ペア:

[(1, 1261526560), (2, 630763280), (4, 315381640), (5, 252305312), (7, 180218080), (8, 157690820), (10, 126152656), (14, 90109040), (16, 78845410), (20, 63076328), (28, 45054520), (32, 39422705), (35, 36043616), (40, 31538164), (49, 25745440), (56, 22527260), (70, 18021808), (80, 15769082), (98, 12872720), (112, 11263630), (127, 9933280), (140, 9010904), (160, 7884541), (181, 6969760), (196, 6436360), (224, 5631815), (245, 5149088), (254, 4966640), (280, 4505452), (343, 3677920), (362, 3484880), (392, 3218180), (490, 2574544), (508, 2483320), (560, 2252726), (635, 1986656), (686, 1838960), (724, 1742440), (784, 1609090), (889, 1419040), (905, 1393952), (980, 1287272), (1016, 1241660), (1120, 1126363), (1267, 995680), (1270, 993328), (1372, 919480), (1448, 871220), (1568, 804545), (1715, 735584), (1778, 709520), (1810, 696976), (1960, 643636), (2032, 620830), (2534, 497840), (2540, 496664), (2744, 459740), (2896, 435610), (3430, 367792), (3556, 354760), (3620, 348488), (3920, 321818), (4064, 310415), (4445, 283808), (5068, 248920), (5080, 248332), (5488, 229870), (5792, 217805), (6223, 202720), (6335, 199136), (6860, 183896), (7112, 177380), (7240, 174244), (7840, 160909), (8869, 142240), (8890, 141904), (10136, 124460), (10160, 124166), (10976, 114935), (12446, 101360), (12670, 99568), (13720, 91948), (14224, 88690), (14480, 87122), (17738, 71120), (17780, 70952), (20272, 62230), (20320, 62083), (22987, 54880), (24892, 50680), (25340, 49784), (27440, 45974), (28448, 44345), (28960, 43561), (31115, 40544), (35476, 35560)]