163240560

素因数分解:

$2^4\times 3^2\times 5^1\times 7^3\times {\mathrm{661}}^1$

素因数の和:701

約数の個数: 240

約数和(自身を含む): 640286400

約数和(自身を除く): 477045840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 343, 360, 392, 420, 441, 490, 504, 560, 588, 630, 661, 686, 720, 735, 784, 840, 882, 980, 1008, 1029, 1176, 1260, 1322, 1372, 1470, 1680, 1715, 1764, 1960, 1983, 2058, 2205, 2352, 2520, 2644, 2744, 2940, 3087, 3305, 3430, 3528, 3920, 3966, 4116, 4410, 4627, 5040, 5145, 5288, 5488, 5880, 5949, 6174, 6610, 6860, 7056, 7932, 8232, 8820, 9254, 9915, 10290, 10576, 11760, 11898, 12348, 13220, 13720, 13881, 15435, 15864, 16464, 17640, 18508, 19830, 20580, 23135, 23796, 24696, 26440, 27440, 27762, 29745, 30870, 31728, 32389, 35280, 37016, 39660, 41160, 41643, 46270, 47592, 49392, 52880, 55524, 59490, 61740, 64778, 69405, 74032, 79320, 82320, 83286, 92540, 95184, 97167, 111048, 118980, 123480, 129556, 138810, 158640, 161945, 166572, 185080, 194334, 208215, 222096, 226723, 237960, 246960, 259112, 277620, 291501, 323890, 333144, 370160, 388668, 416430, 453446, 475920, 485835, 518224, 555240, 583002, 647780, 666288, 680169, 777336, 832860, 906892, 971670, 1110480, 1133615, 1166004, 1295560, 1360338, 1457505, 1554672, 1665720, 1813784, 1943340, 2040507, 2267230, 2332008, 2591120, 2720676, 2915010, 3331440, 3400845, 3627568, 3886680, 4081014, 4534460, 4664016, 5441352, 5830020, 6801690, 7773360, 8162028, 9068920, 10202535, 10882704, 11660040, 13603380, 16324056, 18137840, 20405070, 23320080, 27206760, 32648112, 40810140, 54413520, 81620280, 163240560]

約数ペア:

[(1, 163240560), (2, 81620280), (3, 54413520), (4, 40810140), (5, 32648112), (6, 27206760), (7, 23320080), (8, 20405070), (9, 18137840), (10, 16324056), (12, 13603380), (14, 11660040), (15, 10882704), (16, 10202535), (18, 9068920), (20, 8162028), (21, 7773360), (24, 6801690), (28, 5830020), (30, 5441352), (35, 4664016), (36, 4534460), (40, 4081014), (42, 3886680), (45, 3627568), (48, 3400845), (49, 3331440), (56, 2915010), (60, 2720676), (63, 2591120), (70, 2332008), (72, 2267230), (80, 2040507), (84, 1943340), (90, 1813784), (98, 1665720), (105, 1554672), (112, 1457505), (120, 1360338), (126, 1295560), (140, 1166004), (144, 1133615), (147, 1110480), (168, 971670), (180, 906892), (196, 832860), (210, 777336), (240, 680169), (245, 666288), (252, 647780), (280, 583002), (294, 555240), (315, 518224), (336, 485835), (343, 475920), (360, 453446), (392, 416430), (420, 388668), (441, 370160), (490, 333144), (504, 323890), (560, 291501), (588, 277620), (630, 259112), (661, 246960), (686, 237960), (720, 226723), (735, 222096), (784, 208215), (840, 194334), (882, 185080), (980, 166572), (1008, 161945), (1029, 158640), (1176, 138810), (1260, 129556), (1322, 123480), (1372, 118980), (1470, 111048), (1680, 97167), (1715, 95184), (1764, 92540), (1960, 83286), (1983, 82320), (2058, 79320), (2205, 74032), (2352, 69405), (2520, 64778), (2644, 61740), (2744, 59490), (2940, 55524), (3087, 52880), (3305, 49392), (3430, 47592), (3528, 46270), (3920, 41643), (3966, 41160), (4116, 39660), (4410, 37016), (4627, 35280), (5040, 32389), (5145, 31728), (5288, 30870), (5488, 29745), (5880, 27762), (5949, 27440), (6174, 26440), (6610, 24696), (6860, 23796), (7056, 23135), (7932, 20580), (8232, 19830), (8820, 18508), (9254, 17640), (9915, 16464), (10290, 15864), (10576, 15435), (11760, 13881), (11898, 13720), (12348, 13220)]