158805880

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{727}}^1$

素因数の和:908

約数の個数: 64

約数和(自身を含む): 369008640

約数和(自身を除く): 210202760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 127, 172, 215, 254, 344, 430, 508, 635, 727, 860, 1016, 1270, 1454, 1720, 2540, 2908, 3635, 5080, 5461, 5816, 7270, 10922, 14540, 21844, 27305, 29080, 31261, 43688, 54610, 62522, 92329, 109220, 125044, 156305, 184658, 218440, 250088, 312610, 369316, 461645, 625220, 738632, 923290, 1250440, 1846580, 3693160, 3970147, 7940294, 15880588, 19850735, 31761176, 39701470, 79402940, 158805880]

約数ペア:

[(1, 158805880), (2, 79402940), (4, 39701470), (5, 31761176), (8, 19850735), (10, 15880588), (20, 7940294), (40, 3970147), (43, 3693160), (86, 1846580), (127, 1250440), (172, 923290), (215, 738632), (254, 625220), (344, 461645), (430, 369316), (508, 312610), (635, 250088), (727, 218440), (860, 184658), (1016, 156305), (1270, 125044), (1454, 109220), (1720, 92329), (2540, 62522), (2908, 54610), (3635, 43688), (5080, 31261), (5461, 29080), (5816, 27305), (7270, 21844), (10922, 14540)]