260973440

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4481}}^1$

素因数の和:4520

約数の個数: 128

約数和(自身を含む): 768035520

約数和(自身を除く): 507062080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 640, 728, 832, 896, 910, 1040, 1120, 1456, 1664, 1820, 2080, 2240, 2912, 3640, 4160, 4480, 4481, 5824, 7280, 8320, 8962, 11648, 14560, 17924, 22405, 29120, 31367, 35848, 44810, 58240, 58253, 62734, 71696, 89620, 116506, 125468, 143392, 156835, 179240, 233012, 250936, 286784, 291265, 313670, 358480, 407771, 466024, 501872, 573568, 582530, 627340, 716960, 815542, 932048, 1003744, 1165060, 1254680, 1433920, 1631084, 1864096, 2007488, 2038855, 2330120, 2509360, 2867840, 3262168, 3728192, 4014976, 4077710, 4660240, 5018720, 6524336, 7456384, 8155420, 9320480, 10037440, 13048672, 16310840, 18640960, 20074880, 26097344, 32621680, 37281920, 52194688, 65243360, 130486720, 260973440]

約数ペア:

[(1, 260973440), (2, 130486720), (4, 65243360), (5, 52194688), (7, 37281920), (8, 32621680), (10, 26097344), (13, 20074880), (14, 18640960), (16, 16310840), (20, 13048672), (26, 10037440), (28, 9320480), (32, 8155420), (35, 7456384), (40, 6524336), (52, 5018720), (56, 4660240), (64, 4077710), (65, 4014976), (70, 3728192), (80, 3262168), (91, 2867840), (104, 2509360), (112, 2330120), (128, 2038855), (130, 2007488), (140, 1864096), (160, 1631084), (182, 1433920), (208, 1254680), (224, 1165060), (260, 1003744), (280, 932048), (320, 815542), (364, 716960), (416, 627340), (448, 582530), (455, 573568), (520, 501872), (560, 466024), (640, 407771), (728, 358480), (832, 313670), (896, 291265), (910, 286784), (1040, 250936), (1120, 233012), (1456, 179240), (1664, 156835), (1820, 143392), (2080, 125468), (2240, 116506), (2912, 89620), (3640, 71696), (4160, 62734), (4480, 58253), (4481, 58240), (5824, 44810), (7280, 35848), (8320, 31367), (8962, 29120), (11648, 22405), (14560, 17924)]