85457168.000000000

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{719}}^1\times {\mathrm{5099}}^1$

素因数の和:5832

約数の個数: 64

約数和(自身を含む): 1321920000

約数和(自身を除く): 881978280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 719, 1438, 2157, 2876, 3595, 4314, 5099, 5752, 7190, 8628, 10198, 10785, 14380, 15297, 17256, 20396, 21570, 25495, 28760, 30594, 40792, 43140, 50990, 61188, 76485, 86280, 101980, 122376, 152970, 203960, 305940, 611880, 3666181, 7332362, 10998543, 14664724, 18330905, 21997086, 29329448, 36661810, 43994172, 54992715, 73323620, 87988344, 109985430, 146647240, 219970860, 439941720]

約数ペア:

[(1, 439941720), (2, 219970860), (3, 146647240), (4, 109985430), (5, 87988344), (6, 73323620), (8, 54992715), (10, 43994172), (12, 36661810), (15, 29329448), (20, 21997086), (24, 18330905), (30, 14664724), (40, 10998543), (60, 7332362), (120, 3666181), (719, 611880), (1438, 305940), (2157, 203960), (2876, 152970), (3595, 122376), (4314, 101980), (5099, 86280), (5752, 76485), (7190, 61188), (8628, 50990), (10198, 43140), (10785, 40792), (14380, 30594), (15297, 28760), (17256, 25495), (20396, 21570)]