1277457440

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{1283}}^1$

素因数の和:1439

約数の個数: 144

約数和(自身を含む): 3541128192

約数和(自身を除く): 2263670752

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, 196, 224, 245, 254, 280, 392, 490, 508, 560, 635, 784, 889, 980, 1016, 1120, 1270, 1283, 1568, 1778, 1960, 2032, 2540, 2566, 3556, 3920, 4064, 4445, 5080, 5132, 6223, 6415, 7112, 7840, 8890, 8981, 10160, 10264, 12446, 12830, 14224, 17780, 17962, 20320, 20528, 24892, 25660, 28448, 31115, 35560, 35924, 41056, 44905, 49784, 51320, 62230, 62867, 71120, 71848, 89810, 99568, 102640, 124460, 125734, 142240, 143696, 162941, 179620, 199136, 205280, 248920, 251468, 287392, 314335, 325882, 359240, 497840, 502936, 628670, 651764, 718480, 814705, 995680, 1005872, 1140587, 1257340, 1303528, 1436960, 1629410, 2011744, 2281174, 2514680, 2607056, 3258820, 4562348, 5029360, 5214112, 5702935, 6517640, 7984109, 9124696, 10058720, 11405870, 13035280, 15968218, 18249392, 22811740, 26070560, 31936436, 36498784, 39920545, 45623480, 63872872, 79841090, 91246960, 127745744, 159682180, 182493920, 255491488, 319364360, 638728720, 1277457440]

約数ペア:

[(1, 1277457440), (2, 638728720), (4, 319364360), (5, 255491488), (7, 182493920), (8, 159682180), (10, 127745744), (14, 91246960), (16, 79841090), (20, 63872872), (28, 45623480), (32, 39920545), (35, 36498784), (40, 31936436), (49, 26070560), (56, 22811740), (70, 18249392), (80, 15968218), (98, 13035280), (112, 11405870), (127, 10058720), (140, 9124696), (160, 7984109), (196, 6517640), (224, 5702935), (245, 5214112), (254, 5029360), (280, 4562348), (392, 3258820), (490, 2607056), (508, 2514680), (560, 2281174), (635, 2011744), (784, 1629410), (889, 1436960), (980, 1303528), (1016, 1257340), (1120, 1140587), (1270, 1005872), (1283, 995680), (1568, 814705), (1778, 718480), (1960, 651764), (2032, 628670), (2540, 502936), (2566, 497840), (3556, 359240), (3920, 325882), (4064, 314335), (4445, 287392), (5080, 251468), (5132, 248920), (6223, 205280), (6415, 199136), (7112, 179620), (7840, 162941), (8890, 143696), (8981, 142240), (10160, 125734), (10264, 124460), (12446, 102640), (12830, 99568), (14224, 89810), (17780, 71848), (17962, 71120), (20320, 62867), (20528, 62230), (24892, 51320), (25660, 49784), (28448, 44905), (31115, 41056), (35560, 35924)]