65421960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1753}}^1$

素因数の和:2078

約数の個数: 64

約数和(自身を含む): 197009280

約数和(自身を除く): 131587320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 311, 622, 933, 1244, 1555, 1753, 1866, 2488, 3110, 3506, 3732, 4665, 5259, 6220, 7012, 7464, 8765, 9330, 10518, 12440, 14024, 17530, 18660, 21036, 26295, 35060, 37320, 42072, 52590, 70120, 105180, 210360, 545183, 1090366, 1635549, 2180732, 2725915, 3271098, 4361464, 5451830, 6542196, 8177745, 10903660, 13084392, 16355490, 21807320, 32710980, 65421960]

約数ペア:

[(1, 65421960), (2, 32710980), (3, 21807320), (4, 16355490), (5, 13084392), (6, 10903660), (8, 8177745), (10, 6542196), (12, 5451830), (15, 4361464), (20, 3271098), (24, 2725915), (30, 2180732), (40, 1635549), (60, 1090366), (120, 545183), (311, 210360), (622, 105180), (933, 70120), (1244, 52590), (1555, 42072), (1753, 37320), (1866, 35060), (2488, 26295), (3110, 21036), (3506, 18660), (3732, 17530), (4665, 14024), (5259, 12440), (6220, 10518), (7012, 9330), (7464, 8765)]