161143140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{2503}}^1$

素因数の和:2581

約数の個数: 96

約数和(自身を含む): 479566080

約数和(自身を除く): 318422940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 37, 58, 60, 74, 87, 111, 116, 145, 148, 174, 185, 222, 290, 348, 370, 435, 444, 555, 580, 740, 870, 1073, 1110, 1740, 2146, 2220, 2503, 3219, 4292, 5006, 5365, 6438, 7509, 10012, 10730, 12515, 12876, 15018, 16095, 21460, 25030, 30036, 32190, 37545, 50060, 64380, 72587, 75090, 92611, 145174, 150180, 185222, 217761, 277833, 290348, 362935, 370444, 435522, 463055, 555666, 725870, 871044, 926110, 1088805, 1111332, 1389165, 1451740, 1852220, 2177610, 2685719, 2778330, 4355220, 5371438, 5556660, 8057157, 10742876, 13428595, 16114314, 26857190, 32228628, 40285785, 53714380, 80571570, 161143140]

約数ペア:

[(1, 161143140), (2, 80571570), (3, 53714380), (4, 40285785), (5, 32228628), (6, 26857190), (10, 16114314), (12, 13428595), (15, 10742876), (20, 8057157), (29, 5556660), (30, 5371438), (37, 4355220), (58, 2778330), (60, 2685719), (74, 2177610), (87, 1852220), (111, 1451740), (116, 1389165), (145, 1111332), (148, 1088805), (174, 926110), (185, 871044), (222, 725870), (290, 555666), (348, 463055), (370, 435522), (435, 370444), (444, 362935), (555, 290348), (580, 277833), (740, 217761), (870, 185222), (1073, 150180), (1110, 145174), (1740, 92611), (2146, 75090), (2220, 72587), (2503, 64380), (3219, 50060), (4292, 37545), (5006, 32190), (5365, 30036), (6438, 25030), (7509, 21460), (10012, 16095), (10730, 15018), (12515, 12876)]