260344280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:409

約数の個数: 128

約数和(自身を含む): 695623680

約数和(自身を除く): 435279400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 73, 94, 140, 146, 188, 235, 271, 280, 292, 329, 365, 376, 470, 511, 542, 584, 658, 730, 940, 1022, 1084, 1316, 1355, 1460, 1645, 1880, 1897, 2044, 2168, 2555, 2632, 2710, 2920, 3290, 3431, 3794, 4088, 5110, 5420, 6580, 6862, 7588, 9485, 10220, 10840, 12737, 13160, 13724, 15176, 17155, 18970, 19783, 20440, 24017, 25474, 27448, 34310, 37940, 39566, 48034, 50948, 63685, 68620, 75880, 79132, 89159, 96068, 98915, 101896, 120085, 127370, 137240, 138481, 158264, 178318, 192136, 197830, 240170, 254740, 276962, 356636, 395660, 445795, 480340, 509480, 553924, 692405, 713272, 791320, 891590, 929801, 960680, 1107848, 1384810, 1783180, 1859602, 2769620, 3566360, 3719204, 4649005, 5539240, 6508607, 7438408, 9298010, 13017214, 18596020, 26034428, 32543035, 37192040, 52068856, 65086070, 130172140, 260344280]

約数ペア:

[(1, 260344280), (2, 130172140), (4, 65086070), (5, 52068856), (7, 37192040), (8, 32543035), (10, 26034428), (14, 18596020), (20, 13017214), (28, 9298010), (35, 7438408), (40, 6508607), (47, 5539240), (56, 4649005), (70, 3719204), (73, 3566360), (94, 2769620), (140, 1859602), (146, 1783180), (188, 1384810), (235, 1107848), (271, 960680), (280, 929801), (292, 891590), (329, 791320), (365, 713272), (376, 692405), (470, 553924), (511, 509480), (542, 480340), (584, 445795), (658, 395660), (730, 356636), (940, 276962), (1022, 254740), (1084, 240170), (1316, 197830), (1355, 192136), (1460, 178318), (1645, 158264), (1880, 138481), (1897, 137240), (2044, 127370), (2168, 120085), (2555, 101896), (2632, 98915), (2710, 96068), (2920, 89159), (3290, 79132), (3431, 75880), (3794, 68620), (4088, 63685), (5110, 50948), (5420, 48034), (6580, 39566), (6862, 37940), (7588, 34310), (9485, 27448), (10220, 25474), (10840, 24017), (12737, 20440), (13160, 19783), (13724, 18970), (15176, 17155)]