9915720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4349}}^1$

素因数の和:4382

約数の個数: 64

約数和(自身を含む): 31320000

約数和(自身を除く): 21404280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 4349, 8698, 13047, 17396, 21745, 26094, 34792, 43490, 52188, 65235, 82631, 86980, 104376, 130470, 165262, 173960, 247893, 260940, 330524, 413155, 495786, 521880, 661048, 826310, 991572, 1239465, 1652620, 1983144, 2478930, 3305240, 4957860, 9915720]

約数ペア:

[(1, 9915720), (2, 4957860), (3, 3305240), (4, 2478930), (5, 1983144), (6, 1652620), (8, 1239465), (10, 991572), (12, 826310), (15, 661048), (19, 521880), (20, 495786), (24, 413155), (30, 330524), (38, 260940), (40, 247893), (57, 173960), (60, 165262), (76, 130470), (95, 104376), (114, 86980), (120, 82631), (152, 65235), (190, 52188), (228, 43490), (285, 34792), (380, 26094), (456, 21745), (570, 17396), (760, 13047), (1140, 8698), (2280, 4349)]