15681680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{683}}^1$

素因数の和:744

約数の個数: 80

約数和(自身を含む): 42747264

約数和(自身を除く): 27065584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 140, 164, 205, 280, 287, 328, 410, 560, 574, 656, 683, 820, 1148, 1366, 1435, 1640, 2296, 2732, 2870, 3280, 3415, 4592, 4781, 5464, 5740, 6830, 9562, 10928, 11480, 13660, 19124, 22960, 23905, 27320, 28003, 38248, 47810, 54640, 56006, 76496, 95620, 112012, 140015, 191240, 196021, 224024, 280030, 382480, 392042, 448048, 560060, 784084, 980105, 1120120, 1568168, 1960210, 2240240, 3136336, 3920420, 7840840, 15681680]

約数ペア:

[(1, 15681680), (2, 7840840), (4, 3920420), (5, 3136336), (7, 2240240), (8, 1960210), (10, 1568168), (14, 1120120), (16, 980105), (20, 784084), (28, 560060), (35, 448048), (40, 392042), (41, 382480), (56, 280030), (70, 224024), (80, 196021), (82, 191240), (112, 140015), (140, 112012), (164, 95620), (205, 76496), (280, 56006), (287, 54640), (328, 47810), (410, 38248), (560, 28003), (574, 27320), (656, 23905), (683, 22960), (820, 19124), (1148, 13660), (1366, 11480), (1435, 10928), (1640, 9562), (2296, 6830), (2732, 5740), (2870, 5464), (3280, 4781), (3415, 4592)]