28752720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2549}}^1$

素因数の和:2612

約数の個数: 80

約数和(自身を含む): 91065600

約数和(自身を除く): 62312880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 47, 48, 60, 80, 94, 120, 141, 188, 235, 240, 282, 376, 470, 564, 705, 752, 940, 1128, 1410, 1880, 2256, 2549, 2820, 3760, 5098, 5640, 7647, 10196, 11280, 12745, 15294, 20392, 25490, 30588, 38235, 40784, 50980, 61176, 76470, 101960, 119803, 122352, 152940, 203920, 239606, 305880, 359409, 479212, 599015, 611760, 718818, 958424, 1198030, 1437636, 1797045, 1916848, 2396060, 2875272, 3594090, 4792120, 5750544, 7188180, 9584240, 14376360, 28752720]

約数ペア:

[(1, 28752720), (2, 14376360), (3, 9584240), (4, 7188180), (5, 5750544), (6, 4792120), (8, 3594090), (10, 2875272), (12, 2396060), (15, 1916848), (16, 1797045), (20, 1437636), (24, 1198030), (30, 958424), (40, 718818), (47, 611760), (48, 599015), (60, 479212), (80, 359409), (94, 305880), (120, 239606), (141, 203920), (188, 152940), (235, 122352), (240, 119803), (282, 101960), (376, 76470), (470, 61176), (564, 50980), (705, 40784), (752, 38235), (940, 30588), (1128, 25490), (1410, 20392), (1880, 15294), (2256, 12745), (2549, 11280), (2820, 10196), (3760, 7647), (5098, 5640)]