857537040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{13903}}^1$

素因数の和:14176

約数の個数: 80

約数和(自身を含む): 2668900608

約数和(自身を除く): 1811363568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 257, 514, 771, 1028, 1285, 1542, 2056, 2570, 3084, 3855, 4112, 5140, 6168, 7710, 10280, 12336, 13903, 15420, 20560, 27806, 30840, 41709, 55612, 61680, 69515, 83418, 111224, 139030, 166836, 208545, 222448, 278060, 333672, 417090, 556120, 667344, 834180, 1112240, 1668360, 3336720, 3573071, 7146142, 10719213, 14292284, 17865355, 21438426, 28584568, 35730710, 42876852, 53596065, 57169136, 71461420, 85753704, 107192130, 142922840, 171507408, 214384260, 285845680, 428768520, 857537040]

約数ペア:

[(1, 857537040), (2, 428768520), (3, 285845680), (4, 214384260), (5, 171507408), (6, 142922840), (8, 107192130), (10, 85753704), (12, 71461420), (15, 57169136), (16, 53596065), (20, 42876852), (24, 35730710), (30, 28584568), (40, 21438426), (48, 17865355), (60, 14292284), (80, 10719213), (120, 7146142), (240, 3573071), (257, 3336720), (514, 1668360), (771, 1112240), (1028, 834180), (1285, 667344), (1542, 556120), (2056, 417090), (2570, 333672), (3084, 278060), (3855, 222448), (4112, 208545), (5140, 166836), (6168, 139030), (7710, 111224), (10280, 83418), (12336, 69515), (13903, 61680), (15420, 55612), (20560, 41709), (27806, 30840)]