80578920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21661}}^1$

素因数の和:21706

約数の個数: 64

約数和(自身を含む): 249546240

約数和(自身を除く): 168967320

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, 21661, 43322, 64983, 86644, 108305, 129966, 173288, 216610, 259932, 324915, 433220, 519864, 649830, 671491, 866440, 1299660, 1342982, 2014473, 2599320, 2685964, 3357455, 4028946, 5371928, 6714910, 8057892, 10072365, 13429820, 16115784, 20144730, 26859640, 40289460, 80578920]

約数ペア:

[(1, 80578920), (2, 40289460), (3, 26859640), (4, 20144730), (5, 16115784), (6, 13429820), (8, 10072365), (10, 8057892), (12, 6714910), (15, 5371928), (20, 4028946), (24, 3357455), (30, 2685964), (31, 2599320), (40, 2014473), (60, 1342982), (62, 1299660), (93, 866440), (120, 671491), (124, 649830), (155, 519864), (186, 433220), (248, 324915), (310, 259932), (372, 216610), (465, 173288), (620, 129966), (744, 108305), (930, 86644), (1240, 64983), (1860, 43322), (3720, 21661)]