78871440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10601}}^1$

素因数の和:10648

約数の個数: 80

約数和(自身を含む): 252412416

約数和(自身を除く): 173540976

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 10601, 21202, 31803, 42404, 53005, 63606, 84808, 106010, 127212, 159015, 169616, 212020, 254424, 318030, 328631, 424040, 508848, 636060, 657262, 848080, 985893, 1272120, 1314524, 1643155, 1971786, 2544240, 2629048, 3286310, 3943572, 4929465, 5258096, 6572620, 7887144, 9858930, 13145240, 15774288, 19717860, 26290480, 39435720, 78871440]

約数ペア:

[(1, 78871440), (2, 39435720), (3, 26290480), (4, 19717860), (5, 15774288), (6, 13145240), (8, 9858930), (10, 7887144), (12, 6572620), (15, 5258096), (16, 4929465), (20, 3943572), (24, 3286310), (30, 2629048), (31, 2544240), (40, 1971786), (48, 1643155), (60, 1314524), (62, 1272120), (80, 985893), (93, 848080), (120, 657262), (124, 636060), (155, 508848), (186, 424040), (240, 328631), (248, 318030), (310, 254424), (372, 212020), (465, 169616), (496, 159015), (620, 127212), (744, 106010), (930, 84808), (1240, 63606), (1488, 53005), (1860, 42404), (2480, 31803), (3720, 21202), (7440, 10601)]