61978920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16661}}^1$

素因数の和:16706

約数の個数: 64

約数和(自身を含む): 191946240

約数和(自身を除く): 129967320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 16661, 33322, 49983, 66644, 83305, 99966, 133288, 166610, 199932, 249915, 333220, 399864, 499830, 516491, 666440, 999660, 1032982, 1549473, 1999320, 2065964, 2582455, 3098946, 4131928, 5164910, 6197892, 7747365, 10329820, 12395784, 15494730, 20659640, 30989460, 61978920]

約数ペア:

[(1, 61978920), (2, 30989460), (3, 20659640), (4, 15494730), (5, 12395784), (6, 10329820), (8, 7747365), (10, 6197892), (12, 5164910), (15, 4131928), (20, 3098946), (24, 2582455), (30, 2065964), (31, 1999320), (40, 1549473), (60, 1032982), (62, 999660), (93, 666440), (120, 516491), (124, 499830), (155, 399864), (186, 333220), (248, 249915), (310, 199932), (372, 166610), (465, 133288), (620, 99966), (744, 83305), (930, 66644), (1240, 49983), (1860, 33322), (3720, 16661)]