160991620

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{317}}^1\times {\mathrm{379}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 345119040

約数和(自身を除く): 184127420

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 317, 335, 379, 634, 670, 758, 1268, 1340, 1516, 1585, 1895, 3170, 3790, 6340, 7580, 21239, 25393, 42478, 50786, 84956, 101572, 106195, 120143, 126965, 212390, 240286, 253930, 424780, 480572, 507860, 600715, 1201430, 2402860, 8049581, 16099162, 32198324, 40247905, 80495810, 160991620]

約数ペア:

[(1, 160991620), (2, 80495810), (4, 40247905), (5, 32198324), (10, 16099162), (20, 8049581), (67, 2402860), (134, 1201430), (268, 600715), (317, 507860), (335, 480572), (379, 424780), (634, 253930), (670, 240286), (758, 212390), (1268, 126965), (1340, 120143), (1516, 106195), (1585, 101572), (1895, 84956), (3170, 50786), (3790, 42478), (6340, 25393), (7580, 21239)]