68724520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2917}}^1$

素因数の和:2978

約数の個数: 64

約数和(自身を含む): 168076800

約数和(自身を除く): 99352280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 760, 1178, 1240, 2356, 2917, 2945, 4712, 5834, 5890, 11668, 11780, 14585, 23336, 23560, 29170, 55423, 58340, 90427, 110846, 116680, 180854, 221692, 277115, 361708, 443384, 452135, 554230, 723416, 904270, 1108460, 1718113, 1808540, 2216920, 3436226, 3617080, 6872452, 8590565, 13744904, 17181130, 34362260, 68724520]

約数ペア:

[(1, 68724520), (2, 34362260), (4, 17181130), (5, 13744904), (8, 8590565), (10, 6872452), (19, 3617080), (20, 3436226), (31, 2216920), (38, 1808540), (40, 1718113), (62, 1108460), (76, 904270), (95, 723416), (124, 554230), (152, 452135), (155, 443384), (190, 361708), (248, 277115), (310, 221692), (380, 180854), (589, 116680), (620, 110846), (760, 90427), (1178, 58340), (1240, 55423), (2356, 29170), (2917, 23560), (2945, 23336), (4712, 14585), (5834, 11780), (5890, 11668)]