15976960

素因数分解:

$2^9\times 5^1\times {\mathrm{79}}^2$

素因数の和:181

約数の個数: 60

約数和(自身を含む): 38798298

約数和(自身を除く): 22821338

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 256, 316, 320, 395, 512, 632, 640, 790, 1264, 1280, 1580, 2528, 2560, 3160, 5056, 6241, 6320, 10112, 12482, 12640, 20224, 24964, 25280, 31205, 40448, 49928, 50560, 62410, 99856, 101120, 124820, 199712, 202240, 249640, 399424, 499280, 798848, 998560, 1597696, 1997120, 3195392, 3994240, 7988480, 15976960]

約数ペア:

[(1, 15976960), (2, 7988480), (4, 3994240), (5, 3195392), (8, 1997120), (10, 1597696), (16, 998560), (20, 798848), (32, 499280), (40, 399424), (64, 249640), (79, 202240), (80, 199712), (128, 124820), (158, 101120), (160, 99856), (256, 62410), (316, 50560), (320, 49928), (395, 40448), (512, 31205), (632, 25280), (640, 24964), (790, 20224), (1264, 12640), (1280, 12482), (1580, 10112), (2528, 6320), (2560, 6241), (3160, 5056)]