78921280

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{10723}}^1$

素因数の和:10763

約数の個数: 56

約数和(自身を含む): 196120512

約数和(自身を除く): 117199232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 160, 184, 230, 320, 368, 460, 736, 920, 1472, 1840, 3680, 7360, 10723, 21446, 42892, 53615, 85784, 107230, 171568, 214460, 246629, 343136, 428920, 493258, 686272, 857840, 986516, 1233145, 1715680, 1973032, 2466290, 3431360, 3946064, 4932580, 7892128, 9865160, 15784256, 19730320, 39460640, 78921280]

約数ペア:

[(1, 78921280), (2, 39460640), (4, 19730320), (5, 15784256), (8, 9865160), (10, 7892128), (16, 4932580), (20, 3946064), (23, 3431360), (32, 2466290), (40, 1973032), (46, 1715680), (64, 1233145), (80, 986516), (92, 857840), (115, 686272), (160, 493258), (184, 428920), (230, 343136), (320, 246629), (368, 214460), (460, 171568), (736, 107230), (920, 85784), (1472, 53615), (1840, 42892), (3680, 21446), (7360, 10723)]