15679515920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{59627}}^1$

素因数の和:59832

約数の個数: 80

約数和(自身を含む): 38596011840

約数和(自身を除く): 22916495920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 173, 190, 304, 346, 380, 692, 760, 865, 1384, 1520, 1730, 2768, 3287, 3460, 6574, 6920, 13148, 13840, 16435, 26296, 32870, 52592, 59627, 65740, 119254, 131480, 238508, 262960, 298135, 477016, 596270, 954032, 1132913, 1192540, 2265826, 2385080, 4531652, 4770160, 5664565, 9063304, 10315471, 11329130, 18126608, 20630942, 22658260, 41261884, 45316520, 51577355, 82523768, 90633040, 103154710, 165047536, 195993949, 206309420, 391987898, 412618840, 783975796, 825237680, 979969745, 1567951592, 1959939490, 3135903184, 3919878980, 7839757960, 15679515920]

約数ペア:

[(1, 15679515920), (2, 7839757960), (4, 3919878980), (5, 3135903184), (8, 1959939490), (10, 1567951592), (16, 979969745), (19, 825237680), (20, 783975796), (38, 412618840), (40, 391987898), (76, 206309420), (80, 195993949), (95, 165047536), (152, 103154710), (173, 90633040), (190, 82523768), (304, 51577355), (346, 45316520), (380, 41261884), (692, 22658260), (760, 20630942), (865, 18126608), (1384, 11329130), (1520, 10315471), (1730, 9063304), (2768, 5664565), (3287, 4770160), (3460, 4531652), (6574, 2385080), (6920, 2265826), (13148, 1192540), (13840, 1132913), (16435, 954032), (26296, 596270), (32870, 477016), (52592, 298135), (59627, 262960), (65740, 238508), (119254, 131480)]