257296320

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2179}}^1$

素因数の和:2243

約数の個数: 168

約数和(自身を含む): 906993360

約数和(自身を除く): 649697040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 41, 45, 48, 60, 64, 72, 80, 82, 90, 96, 120, 123, 144, 160, 164, 180, 192, 205, 240, 246, 288, 320, 328, 360, 369, 410, 480, 492, 576, 615, 656, 720, 738, 820, 960, 984, 1230, 1312, 1440, 1476, 1640, 1845, 1968, 2179, 2460, 2624, 2880, 2952, 3280, 3690, 3936, 4358, 4920, 5904, 6537, 6560, 7380, 7872, 8716, 9840, 10895, 11808, 13074, 13120, 14760, 17432, 19611, 19680, 21790, 23616, 26148, 29520, 32685, 34864, 39222, 39360, 43580, 52296, 59040, 65370, 69728, 78444, 87160, 89339, 98055, 104592, 118080, 130740, 139456, 156888, 174320, 178678, 196110, 209184, 261480, 268017, 313776, 348640, 357356, 392220, 418368, 446695, 522960, 536034, 627552, 697280, 714712, 784440, 804051, 893390, 1045920, 1072068, 1255104, 1340085, 1429424, 1568880, 1608102, 1786780, 2091840, 2144136, 2680170, 2858848, 3137760, 3216204, 3573560, 4020255, 4288272, 5360340, 5717696, 6275520, 6432408, 7147120, 8040510, 8576544, 10720680, 12864816, 14294240, 16081020, 17153088, 21441360, 25729632, 28588480, 32162040, 42882720, 51459264, 64324080, 85765440, 128648160, 257296320]

約数ペア:

[(1, 257296320), (2, 128648160), (3, 85765440), (4, 64324080), (5, 51459264), (6, 42882720), (8, 32162040), (9, 28588480), (10, 25729632), (12, 21441360), (15, 17153088), (16, 16081020), (18, 14294240), (20, 12864816), (24, 10720680), (30, 8576544), (32, 8040510), (36, 7147120), (40, 6432408), (41, 6275520), (45, 5717696), (48, 5360340), (60, 4288272), (64, 4020255), (72, 3573560), (80, 3216204), (82, 3137760), (90, 2858848), (96, 2680170), (120, 2144136), (123, 2091840), (144, 1786780), (160, 1608102), (164, 1568880), (180, 1429424), (192, 1340085), (205, 1255104), (240, 1072068), (246, 1045920), (288, 893390), (320, 804051), (328, 784440), (360, 714712), (369, 697280), (410, 627552), (480, 536034), (492, 522960), (576, 446695), (615, 418368), (656, 392220), (720, 357356), (738, 348640), (820, 313776), (960, 268017), (984, 261480), (1230, 209184), (1312, 196110), (1440, 178678), (1476, 174320), (1640, 156888), (1845, 139456), (1968, 130740), (2179, 118080), (2460, 104592), (2624, 98055), (2880, 89339), (2952, 87160), (3280, 78444), (3690, 69728), (3936, 65370), (4358, 59040), (4920, 52296), (5904, 43580), (6537, 39360), (6560, 39222), (7380, 34864), (7872, 32685), (8716, 29520), (9840, 26148), (10895, 23616), (11808, 21790), (13074, 19680), (13120, 19611), (14760, 17432)]