161958680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{1063}}^1$

素因数の和:1380

約数の個数: 64

約数和(自身を含む): 394148160

約数和(自身を除く): 232189480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 293, 520, 586, 1063, 1172, 1465, 2126, 2344, 2930, 3809, 4252, 5315, 5860, 7618, 8504, 10630, 11720, 13819, 15236, 19045, 21260, 27638, 30472, 38090, 42520, 55276, 69095, 76180, 110552, 138190, 152360, 276380, 311459, 552760, 622918, 1245836, 1557295, 2491672, 3114590, 4048967, 6229180, 8097934, 12458360, 16195868, 20244835, 32391736, 40489670, 80979340, 161958680]

約数ペア:

[(1, 161958680), (2, 80979340), (4, 40489670), (5, 32391736), (8, 20244835), (10, 16195868), (13, 12458360), (20, 8097934), (26, 6229180), (40, 4048967), (52, 3114590), (65, 2491672), (104, 1557295), (130, 1245836), (260, 622918), (293, 552760), (520, 311459), (586, 276380), (1063, 152360), (1172, 138190), (1465, 110552), (2126, 76180), (2344, 69095), (2930, 55276), (3809, 42520), (4252, 38090), (5315, 30472), (5860, 27638), (7618, 21260), (8504, 19045), (10630, 15236), (11720, 13819)]