2315720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1$

素因数の和:318

約数の個数: 64

約数和(自身を含む): 6004800

約数和(自身を除く): 3689080

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 277, 380, 418, 440, 554, 760, 836, 1045, 1108, 1385, 1672, 2090, 2216, 2770, 3047, 4180, 5263, 5540, 6094, 8360, 10526, 11080, 12188, 15235, 21052, 24376, 26315, 30470, 42104, 52630, 57893, 60940, 105260, 115786, 121880, 210520, 231572, 289465, 463144, 578930, 1157860, 2315720]

約数ペア:

[(1, 2315720), (2, 1157860), (4, 578930), (5, 463144), (8, 289465), (10, 231572), (11, 210520), (19, 121880), (20, 115786), (22, 105260), (38, 60940), (40, 57893), (44, 52630), (55, 42104), (76, 30470), (88, 26315), (95, 24376), (110, 21052), (152, 15235), (190, 12188), (209, 11080), (220, 10526), (277, 8360), (380, 6094), (418, 5540), (440, 5263), (554, 4180), (760, 3047), (836, 2770), (1045, 2216), (1108, 2090), (1385, 1672)]