127408020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1979}}^1$

素因数の和:2057

約数の個数: 96

約数和(自身を含む): 379209600

約数和(自身を除く): 251801580

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, 1979, 2146, 2220, 3219, 3958, 4292, 5365, 5937, 6438, 7916, 9895, 10730, 11874, 12876, 16095, 19790, 21460, 23748, 29685, 32190, 39580, 57391, 59370, 64380, 73223, 114782, 118740, 146446, 172173, 219669, 229564, 286955, 292892, 344346, 366115, 439338, 573910, 688692, 732230, 860865, 878676, 1098345, 1147820, 1464460, 1721730, 2123467, 2196690, 3443460, 4246934, 4393380, 6370401, 8493868, 10617335, 12740802, 21234670, 25481604, 31852005, 42469340, 63704010, 127408020]

約数ペア:

[(1, 127408020), (2, 63704010), (3, 42469340), (4, 31852005), (5, 25481604), (6, 21234670), (10, 12740802), (12, 10617335), (15, 8493868), (20, 6370401), (29, 4393380), (30, 4246934), (37, 3443460), (58, 2196690), (60, 2123467), (74, 1721730), (87, 1464460), (111, 1147820), (116, 1098345), (145, 878676), (148, 860865), (174, 732230), (185, 688692), (222, 573910), (290, 439338), (348, 366115), (370, 344346), (435, 292892), (444, 286955), (555, 229564), (580, 219669), (740, 172173), (870, 146446), (1073, 118740), (1110, 114782), (1740, 73223), (1979, 64380), (2146, 59370), (2220, 57391), (3219, 39580), (3958, 32190), (4292, 29685), (5365, 23748), (5937, 21460), (6438, 19790), (7916, 16095), (9895, 12876), (10730, 11874)]