1140720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{97}}^1$

素因数の和:127

約数の個数: 120

約数和(自身を含む): 4155984

約数和(自身を除く): 3015264

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 97, 98, 105, 112, 120, 140, 147, 168, 194, 196, 210, 240, 245, 280, 291, 294, 336, 388, 392, 420, 485, 490, 560, 582, 588, 679, 735, 776, 784, 840, 970, 980, 1164, 1176, 1358, 1455, 1470, 1552, 1680, 1940, 1960, 2037, 2328, 2352, 2716, 2910, 2940, 3395, 3880, 3920, 4074, 4656, 4753, 5432, 5820, 5880, 6790, 7760, 8148, 9506, 10185, 10864, 11640, 11760, 13580, 14259, 16296, 19012, 20370, 23280, 23765, 27160, 28518, 32592, 38024, 40740, 47530, 54320, 57036, 71295, 76048, 81480, 95060, 114072, 142590, 162960, 190120, 228144, 285180, 380240, 570360, 1140720]

約数ペア:

[(1, 1140720), (2, 570360), (3, 380240), (4, 285180), (5, 228144), (6, 190120), (7, 162960), (8, 142590), (10, 114072), (12, 95060), (14, 81480), (15, 76048), (16, 71295), (20, 57036), (21, 54320), (24, 47530), (28, 40740), (30, 38024), (35, 32592), (40, 28518), (42, 27160), (48, 23765), (49, 23280), (56, 20370), (60, 19012), (70, 16296), (80, 14259), (84, 13580), (97, 11760), (98, 11640), (105, 10864), (112, 10185), (120, 9506), (140, 8148), (147, 7760), (168, 6790), (194, 5880), (196, 5820), (210, 5432), (240, 4753), (245, 4656), (280, 4074), (291, 3920), (294, 3880), (336, 3395), (388, 2940), (392, 2910), (420, 2716), (485, 2352), (490, 2328), (560, 2037), (582, 1960), (588, 1940), (679, 1680), (735, 1552), (776, 1470), (784, 1455), (840, 1358), (970, 1176), (980, 1164)]