257469520

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{853}}^1$

素因数の和:898

約数の個数: 160

約数和(自身を含む): 762451200

約数和(自身を除く): 504981680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 176, 196, 220, 245, 280, 308, 343, 385, 392, 440, 490, 539, 560, 616, 686, 770, 784, 853, 880, 980, 1078, 1232, 1372, 1540, 1706, 1715, 1960, 2156, 2695, 2744, 3080, 3412, 3430, 3773, 3920, 4265, 4312, 5390, 5488, 5971, 6160, 6824, 6860, 7546, 8530, 8624, 9383, 10780, 11942, 13648, 13720, 15092, 17060, 18766, 18865, 21560, 23884, 27440, 29855, 30184, 34120, 37532, 37730, 41797, 43120, 46915, 47768, 59710, 60368, 65681, 68240, 75064, 75460, 83594, 93830, 95536, 119420, 131362, 150128, 150920, 167188, 187660, 208985, 238840, 262724, 292579, 301840, 328405, 334376, 375320, 417970, 459767, 477680, 525448, 585158, 656810, 668752, 750640, 835940, 919534, 1050896, 1170316, 1313620, 1462895, 1671880, 1839068, 2298835, 2340632, 2627240, 2925790, 3218369, 3343760, 3678136, 4597670, 4681264, 5254480, 5851580, 6436738, 7356272, 9195340, 11703160, 12873476, 16091845, 18390680, 23406320, 25746952, 32183690, 36781360, 51493904, 64367380, 128734760, 257469520]

約数ペア:

[(1, 257469520), (2, 128734760), (4, 64367380), (5, 51493904), (7, 36781360), (8, 32183690), (10, 25746952), (11, 23406320), (14, 18390680), (16, 16091845), (20, 12873476), (22, 11703160), (28, 9195340), (35, 7356272), (40, 6436738), (44, 5851580), (49, 5254480), (55, 4681264), (56, 4597670), (70, 3678136), (77, 3343760), (80, 3218369), (88, 2925790), (98, 2627240), (110, 2340632), (112, 2298835), (140, 1839068), (154, 1671880), (176, 1462895), (196, 1313620), (220, 1170316), (245, 1050896), (280, 919534), (308, 835940), (343, 750640), (385, 668752), (392, 656810), (440, 585158), (490, 525448), (539, 477680), (560, 459767), (616, 417970), (686, 375320), (770, 334376), (784, 328405), (853, 301840), (880, 292579), (980, 262724), (1078, 238840), (1232, 208985), (1372, 187660), (1540, 167188), (1706, 150920), (1715, 150128), (1960, 131362), (2156, 119420), (2695, 95536), (2744, 93830), (3080, 83594), (3412, 75460), (3430, 75064), (3773, 68240), (3920, 65681), (4265, 60368), (4312, 59710), (5390, 47768), (5488, 46915), (5971, 43120), (6160, 41797), (6824, 37730), (6860, 37532), (7546, 34120), (8530, 30184), (8624, 29855), (9383, 27440), (10780, 23884), (11942, 21560), (13648, 18865), (13720, 18766), (15092, 17060)]