4631440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1$

素因数の和:320

約数の個数: 80

約数和(自身を含む): 12409920

約数和(自身を除く): 7778480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 277, 304, 380, 418, 440, 554, 760, 836, 880, 1045, 1108, 1385, 1520, 1672, 2090, 2216, 2770, 3047, 3344, 4180, 4432, 5263, 5540, 6094, 8360, 10526, 11080, 12188, 15235, 16720, 21052, 22160, 24376, 26315, 30470, 42104, 48752, 52630, 57893, 60940, 84208, 105260, 115786, 121880, 210520, 231572, 243760, 289465, 421040, 463144, 578930, 926288, 1157860, 2315720, 4631440]

約数ペア:

[(1, 4631440), (2, 2315720), (4, 1157860), (5, 926288), (8, 578930), (10, 463144), (11, 421040), (16, 289465), (19, 243760), (20, 231572), (22, 210520), (38, 121880), (40, 115786), (44, 105260), (55, 84208), (76, 60940), (80, 57893), (88, 52630), (95, 48752), (110, 42104), (152, 30470), (176, 26315), (190, 24376), (209, 22160), (220, 21052), (277, 16720), (304, 15235), (380, 12188), (418, 11080), (440, 10526), (554, 8360), (760, 6094), (836, 5540), (880, 5263), (1045, 4432), (1108, 4180), (1385, 3344), (1520, 3047), (1672, 2770), (2090, 2216)]