80520176

素因数分解:

$2^4\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:259

約数の個数: 80

約数和(自身を含む): 181536000

約数和(自身を除く): 101015824

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 121, 152, 176, 199, 209, 242, 304, 398, 418, 484, 796, 836, 968, 1331, 1592, 1672, 1936, 2189, 2299, 2662, 3184, 3344, 3781, 4378, 4598, 5324, 7562, 8756, 9196, 10648, 15124, 17512, 18392, 21296, 24079, 25289, 30248, 35024, 36784, 41591, 48158, 50578, 60496, 83182, 96316, 101156, 166364, 192632, 202312, 264869, 332728, 385264, 404624, 457501, 529738, 665456, 915002, 1059476, 1830004, 2118952, 3660008, 4237904, 5032511, 7320016, 10065022, 20130044, 40260088, 80520176]

約数ペア:

[(1, 80520176), (2, 40260088), (4, 20130044), (8, 10065022), (11, 7320016), (16, 5032511), (19, 4237904), (22, 3660008), (38, 2118952), (44, 1830004), (76, 1059476), (88, 915002), (121, 665456), (152, 529738), (176, 457501), (199, 404624), (209, 385264), (242, 332728), (304, 264869), (398, 202312), (418, 192632), (484, 166364), (796, 101156), (836, 96316), (968, 83182), (1331, 60496), (1592, 50578), (1672, 48158), (1936, 41591), (2189, 36784), (2299, 35024), (2662, 30248), (3184, 25289), (3344, 24079), (3781, 21296), (4378, 18392), (4598, 17512), (5324, 15124), (7562, 10648), (8756, 9196)]