218580720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{811}}^1\times {\mathrm{1123}}^1$

素因数の和:1950

約数の個数: 80

約数和(自身を含む): 679039872

約数和(自身を除く): 460459152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 811, 1123, 1622, 2246, 2433, 3244, 3369, 4055, 4492, 4866, 5615, 6488, 6738, 8110, 8984, 9732, 11230, 12165, 12976, 13476, 16220, 16845, 17968, 19464, 22460, 24330, 26952, 32440, 33690, 38928, 44920, 48660, 53904, 64880, 67380, 89840, 97320, 134760, 194640, 269520, 910753, 1821506, 2732259, 3643012, 4553765, 5464518, 7286024, 9107530, 10929036, 13661295, 14572048, 18215060, 21858072, 27322590, 36430120, 43716144, 54645180, 72860240, 109290360, 218580720]

約数ペア:

[(1, 218580720), (2, 109290360), (3, 72860240), (4, 54645180), (5, 43716144), (6, 36430120), (8, 27322590), (10, 21858072), (12, 18215060), (15, 14572048), (16, 13661295), (20, 10929036), (24, 9107530), (30, 7286024), (40, 5464518), (48, 4553765), (60, 3643012), (80, 2732259), (120, 1821506), (240, 910753), (811, 269520), (1123, 194640), (1622, 134760), (2246, 97320), (2433, 89840), (3244, 67380), (3369, 64880), (4055, 53904), (4492, 48660), (4866, 44920), (5615, 38928), (6488, 33690), (6738, 32440), (8110, 26952), (8984, 24330), (9732, 22460), (11230, 19464), (12165, 17968), (12976, 16845), (13476, 16220)]