168682040

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1\times {\mathrm{317}}^1$

素因数の和:632

約数の個数: 64

約数和(自身を含む): 389460960

約数和(自身を除く): 220778920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 251, 265, 317, 424, 502, 530, 634, 1004, 1060, 1255, 1268, 1585, 2008, 2120, 2510, 2536, 3170, 5020, 6340, 10040, 12680, 13303, 16801, 26606, 33602, 53212, 66515, 67204, 79567, 84005, 106424, 133030, 134408, 159134, 168010, 266060, 318268, 336020, 397835, 532120, 636536, 672040, 795670, 1591340, 3182680, 4217051, 8434102, 16868204, 21085255, 33736408, 42170510, 84341020, 168682040]

約数ペア:

[(1, 168682040), (2, 84341020), (4, 42170510), (5, 33736408), (8, 21085255), (10, 16868204), (20, 8434102), (40, 4217051), (53, 3182680), (106, 1591340), (212, 795670), (251, 672040), (265, 636536), (317, 532120), (424, 397835), (502, 336020), (530, 318268), (634, 266060), (1004, 168010), (1060, 159134), (1255, 134408), (1268, 133030), (1585, 106424), (2008, 84005), (2120, 79567), (2510, 67204), (2536, 66515), (3170, 53212), (5020, 33602), (6340, 26606), (10040, 16801), (12680, 13303)]