217654080

素因数分解:

$2^6\times 3^1\times 5^1\times 7^3\times {\mathrm{661}}^1$

素因数の和:702

約数の個数: 224

約数和(自身を含む): 807110400

約数和(自身を除く): 589456320

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, 343, 392, 420, 448, 480, 490, 560, 588, 661, 672, 686, 735, 784, 840, 960, 980, 1029, 1120, 1176, 1322, 1344, 1372, 1470, 1568, 1680, 1715, 1960, 1983, 2058, 2240, 2352, 2644, 2744, 2940, 3136, 3305, 3360, 3430, 3920, 3966, 4116, 4627, 4704, 5145, 5288, 5488, 5880, 6610, 6720, 6860, 7840, 7932, 8232, 9254, 9408, 9915, 10290, 10576, 10976, 11760, 13220, 13720, 13881, 15680, 15864, 16464, 18508, 19830, 20580, 21152, 21952, 23135, 23520, 26440, 27440, 27762, 31728, 32389, 32928, 37016, 39660, 41160, 42304, 46270, 47040, 52880, 54880, 55524, 63456, 64778, 65856, 69405, 74032, 79320, 82320, 92540, 97167, 105760, 109760, 111048, 126912, 129556, 138810, 148064, 158640, 161945, 164640, 185080, 194334, 211520, 222096, 226723, 259112, 277620, 296128, 317280, 323890, 329280, 370160, 388668, 444192, 453446, 485835, 518224, 555240, 634560, 647780, 680169, 740320, 777336, 888384, 906892, 971670, 1036448, 1110480, 1133615, 1295560, 1360338, 1480640, 1554672, 1813784, 1943340, 2072896, 2220960, 2267230, 2591120, 2720676, 3109344, 3400845, 3627568, 3886680, 4441920, 4534460, 5182240, 5441352, 6218688, 6801690, 7255136, 7773360, 9068920, 10364480, 10882704, 13603380, 14510272, 15546720, 18137840, 21765408, 27206760, 31093440, 36275680, 43530816, 54413520, 72551360, 108827040, 217654080]

約数ペア:

[(1, 217654080), (2, 108827040), (3, 72551360), (4, 54413520), (5, 43530816), (6, 36275680), (7, 31093440), (8, 27206760), (10, 21765408), (12, 18137840), (14, 15546720), (15, 14510272), (16, 13603380), (20, 10882704), (21, 10364480), (24, 9068920), (28, 7773360), (30, 7255136), (32, 6801690), (35, 6218688), (40, 5441352), (42, 5182240), (48, 4534460), (49, 4441920), (56, 3886680), (60, 3627568), (64, 3400845), (70, 3109344), (80, 2720676), (84, 2591120), (96, 2267230), (98, 2220960), (105, 2072896), (112, 1943340), (120, 1813784), (140, 1554672), (147, 1480640), (160, 1360338), (168, 1295560), (192, 1133615), (196, 1110480), (210, 1036448), (224, 971670), (240, 906892), (245, 888384), (280, 777336), (294, 740320), (320, 680169), (336, 647780), (343, 634560), (392, 555240), (420, 518224), (448, 485835), (480, 453446), (490, 444192), (560, 388668), (588, 370160), (661, 329280), (672, 323890), (686, 317280), (735, 296128), (784, 277620), (840, 259112), (960, 226723), (980, 222096), (1029, 211520), (1120, 194334), (1176, 185080), (1322, 164640), (1344, 161945), (1372, 158640), (1470, 148064), (1568, 138810), (1680, 129556), (1715, 126912), (1960, 111048), (1983, 109760), (2058, 105760), (2240, 97167), (2352, 92540), (2644, 82320), (2744, 79320), (2940, 74032), (3136, 69405), (3305, 65856), (3360, 64778), (3430, 63456), (3920, 55524), (3966, 54880), (4116, 52880), (4627, 47040), (4704, 46270), (5145, 42304), (5288, 41160), (5488, 39660), (5880, 37016), (6610, 32928), (6720, 32389), (6860, 31728), (7840, 27762), (7932, 27440), (8232, 26440), (9254, 23520), (9408, 23135), (9915, 21952), (10290, 21152), (10576, 20580), (10976, 19830), (11760, 18508), (13220, 16464), (13720, 15864), (13881, 15680)]