263201680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{853}}^1$

素因数の和:921

約数の個数: 160

約数和(自身を含む): 762451200

約数和(自身を除く): 499249520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 29, 35, 38, 40, 56, 58, 70, 76, 80, 95, 112, 116, 133, 140, 145, 152, 190, 203, 232, 266, 280, 290, 304, 380, 406, 464, 532, 551, 560, 580, 665, 760, 812, 853, 1015, 1064, 1102, 1160, 1330, 1520, 1624, 1706, 2030, 2128, 2204, 2320, 2660, 2755, 3248, 3412, 3857, 4060, 4265, 4408, 5320, 5510, 5971, 6824, 7714, 8120, 8530, 8816, 10640, 11020, 11942, 13648, 15428, 16207, 16240, 17060, 19285, 22040, 23884, 24737, 29855, 30856, 32414, 34120, 38570, 44080, 47768, 49474, 59710, 61712, 64828, 68240, 77140, 81035, 95536, 98948, 113449, 119420, 123685, 129656, 154280, 162070, 173159, 197896, 226898, 238840, 247370, 259312, 308560, 324140, 346318, 395792, 453796, 470003, 477680, 494740, 567245, 648280, 692636, 865795, 907592, 940006, 989480, 1134490, 1296560, 1385272, 1731590, 1815184, 1880012, 1978960, 2268980, 2350015, 2770544, 3290021, 3463180, 3760024, 4537960, 4700030, 6580042, 6926360, 7520048, 9075920, 9400060, 13160084, 13852720, 16450105, 18800120, 26320168, 32900210, 37600240, 52640336, 65800420, 131600840, 263201680]

約数ペア:

[(1, 263201680), (2, 131600840), (4, 65800420), (5, 52640336), (7, 37600240), (8, 32900210), (10, 26320168), (14, 18800120), (16, 16450105), (19, 13852720), (20, 13160084), (28, 9400060), (29, 9075920), (35, 7520048), (38, 6926360), (40, 6580042), (56, 4700030), (58, 4537960), (70, 3760024), (76, 3463180), (80, 3290021), (95, 2770544), (112, 2350015), (116, 2268980), (133, 1978960), (140, 1880012), (145, 1815184), (152, 1731590), (190, 1385272), (203, 1296560), (232, 1134490), (266, 989480), (280, 940006), (290, 907592), (304, 865795), (380, 692636), (406, 648280), (464, 567245), (532, 494740), (551, 477680), (560, 470003), (580, 453796), (665, 395792), (760, 346318), (812, 324140), (853, 308560), (1015, 259312), (1064, 247370), (1102, 238840), (1160, 226898), (1330, 197896), (1520, 173159), (1624, 162070), (1706, 154280), (2030, 129656), (2128, 123685), (2204, 119420), (2320, 113449), (2660, 98948), (2755, 95536), (3248, 81035), (3412, 77140), (3857, 68240), (4060, 64828), (4265, 61712), (4408, 59710), (5320, 49474), (5510, 47768), (5971, 44080), (6824, 38570), (7714, 34120), (8120, 32414), (8530, 30856), (8816, 29855), (10640, 24737), (11020, 23884), (11942, 22040), (13648, 19285), (15428, 17060), (16207, 16240)]