80242920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{389}}^1$

素因数の和:600

約数の個数: 128

約数和(自身を含む): 269568000

約数和(自身を除く): 189325080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 191, 216, 270, 360, 382, 389, 540, 573, 764, 778, 955, 1080, 1146, 1167, 1528, 1556, 1719, 1910, 1945, 2292, 2334, 2865, 3112, 3438, 3501, 3820, 3890, 4584, 4668, 5157, 5730, 5835, 6876, 7002, 7640, 7780, 8595, 9336, 10314, 10503, 11460, 11670, 13752, 14004, 15560, 17190, 17505, 20628, 21006, 22920, 23340, 25785, 28008, 34380, 35010, 41256, 42012, 46680, 51570, 52515, 68760, 70020, 74299, 84024, 103140, 105030, 140040, 148598, 206280, 210060, 222897, 297196, 371495, 420120, 445794, 594392, 668691, 742990, 891588, 1114485, 1337382, 1485980, 1783176, 2006073, 2228970, 2674764, 2971960, 3343455, 4012146, 4457940, 5349528, 6686910, 8024292, 8915880, 10030365, 13373820, 16048584, 20060730, 26747640, 40121460, 80242920]

約数ペア:

[(1, 80242920), (2, 40121460), (3, 26747640), (4, 20060730), (5, 16048584), (6, 13373820), (8, 10030365), (9, 8915880), (10, 8024292), (12, 6686910), (15, 5349528), (18, 4457940), (20, 4012146), (24, 3343455), (27, 2971960), (30, 2674764), (36, 2228970), (40, 2006073), (45, 1783176), (54, 1485980), (60, 1337382), (72, 1114485), (90, 891588), (108, 742990), (120, 668691), (135, 594392), (180, 445794), (191, 420120), (216, 371495), (270, 297196), (360, 222897), (382, 210060), (389, 206280), (540, 148598), (573, 140040), (764, 105030), (778, 103140), (955, 84024), (1080, 74299), (1146, 70020), (1167, 68760), (1528, 52515), (1556, 51570), (1719, 46680), (1910, 42012), (1945, 41256), (2292, 35010), (2334, 34380), (2865, 28008), (3112, 25785), (3438, 23340), (3501, 22920), (3820, 21006), (3890, 20628), (4584, 17505), (4668, 17190), (5157, 15560), (5730, 14004), (5835, 13752), (6876, 11670), (7002, 11460), (7640, 10503), (7780, 10314), (8595, 9336)]