78985760

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{647}}^1$

素因数の和:778

約数の個数: 96

約数和(自身を含む): 215550720

約数和(自身を除く): 136564960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 109, 112, 140, 160, 218, 224, 280, 436, 545, 560, 647, 763, 872, 1090, 1120, 1294, 1526, 1744, 2180, 2588, 3052, 3235, 3488, 3815, 4360, 4529, 5176, 6104, 6470, 7630, 8720, 9058, 10352, 12208, 12940, 15260, 17440, 18116, 20704, 22645, 24416, 25880, 30520, 36232, 45290, 51760, 61040, 70523, 72464, 90580, 103520, 122080, 141046, 144928, 181160, 282092, 352615, 362320, 493661, 564184, 705230, 724640, 987322, 1128368, 1410460, 1974644, 2256736, 2468305, 2820920, 3949288, 4936610, 5641840, 7898576, 9873220, 11283680, 15797152, 19746440, 39492880, 78985760]

約数ペア:

[(1, 78985760), (2, 39492880), (4, 19746440), (5, 15797152), (7, 11283680), (8, 9873220), (10, 7898576), (14, 5641840), (16, 4936610), (20, 3949288), (28, 2820920), (32, 2468305), (35, 2256736), (40, 1974644), (56, 1410460), (70, 1128368), (80, 987322), (109, 724640), (112, 705230), (140, 564184), (160, 493661), (218, 362320), (224, 352615), (280, 282092), (436, 181160), (545, 144928), (560, 141046), (647, 122080), (763, 103520), (872, 90580), (1090, 72464), (1120, 70523), (1294, 61040), (1526, 51760), (1744, 45290), (2180, 36232), (2588, 30520), (3052, 25880), (3235, 24416), (3488, 22645), (3815, 20704), (4360, 18116), (4529, 17440), (5176, 15260), (6104, 12940), (6470, 12208), (7630, 10352), (8720, 9058)]