1215696360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{439}}^1\times {\mathrm{491}}^1$

素因数の和:991

約数の個数: 128

約数和(自身を含む): 3740774400

約数和(自身を除く): 2525078040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 376, 439, 470, 491, 564, 705, 878, 940, 982, 1128, 1317, 1410, 1473, 1756, 1880, 1964, 2195, 2455, 2634, 2820, 2946, 3512, 3928, 4390, 4910, 5268, 5640, 5892, 6585, 7365, 8780, 9820, 10536, 11784, 13170, 14730, 17560, 19640, 20633, 23077, 26340, 29460, 41266, 46154, 52680, 58920, 61899, 69231, 82532, 92308, 103165, 115385, 123798, 138462, 165064, 184616, 206330, 215549, 230770, 247596, 276924, 309495, 346155, 412660, 431098, 461540, 495192, 553848, 618990, 646647, 692310, 825320, 862196, 923080, 1077745, 1237980, 1293294, 1384620, 1724392, 2155490, 2475960, 2586588, 2769240, 3233235, 4310980, 5173176, 6466470, 8621960, 10130803, 12932940, 20261606, 25865880, 30392409, 40523212, 50654015, 60784818, 81046424, 101308030, 121569636, 151962045, 202616060, 243139272, 303924090, 405232120, 607848180, 1215696360]

約数ペア:

[(1, 1215696360), (2, 607848180), (3, 405232120), (4, 303924090), (5, 243139272), (6, 202616060), (8, 151962045), (10, 121569636), (12, 101308030), (15, 81046424), (20, 60784818), (24, 50654015), (30, 40523212), (40, 30392409), (47, 25865880), (60, 20261606), (94, 12932940), (120, 10130803), (141, 8621960), (188, 6466470), (235, 5173176), (282, 4310980), (376, 3233235), (439, 2769240), (470, 2586588), (491, 2475960), (564, 2155490), (705, 1724392), (878, 1384620), (940, 1293294), (982, 1237980), (1128, 1077745), (1317, 923080), (1410, 862196), (1473, 825320), (1756, 692310), (1880, 646647), (1964, 618990), (2195, 553848), (2455, 495192), (2634, 461540), (2820, 431098), (2946, 412660), (3512, 346155), (3928, 309495), (4390, 276924), (4910, 247596), (5268, 230770), (5640, 215549), (5892, 206330), (6585, 184616), (7365, 165064), (8780, 138462), (9820, 123798), (10536, 115385), (11784, 103165), (13170, 92308), (14730, 82532), (17560, 69231), (19640, 61899), (20633, 58920), (23077, 52680), (26340, 46154), (29460, 41266)]