330890720

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{509}}^1$

素因数の和:780

約数の個数: 96

約数和(自身を含む): 832809600

約数和(自身を除く): 501918880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 239, 272, 340, 478, 509, 544, 680, 956, 1018, 1195, 1360, 1912, 2036, 2390, 2545, 2720, 3824, 4063, 4072, 4780, 5090, 7648, 8126, 8144, 8653, 9560, 10180, 16252, 16288, 17306, 19120, 20315, 20360, 32504, 34612, 38240, 40630, 40720, 43265, 65008, 69224, 81260, 81440, 86530, 121651, 130016, 138448, 162520, 173060, 243302, 276896, 325040, 346120, 486604, 608255, 650080, 692240, 973208, 1216510, 1384480, 1946416, 2068067, 2433020, 3892832, 4136134, 4866040, 8272268, 9732080, 10340335, 16544536, 19464160, 20680670, 33089072, 41361340, 66178144, 82722680, 165445360, 330890720]

約数ペア:

[(1, 330890720), (2, 165445360), (4, 82722680), (5, 66178144), (8, 41361340), (10, 33089072), (16, 20680670), (17, 19464160), (20, 16544536), (32, 10340335), (34, 9732080), (40, 8272268), (68, 4866040), (80, 4136134), (85, 3892832), (136, 2433020), (160, 2068067), (170, 1946416), (239, 1384480), (272, 1216510), (340, 973208), (478, 692240), (509, 650080), (544, 608255), (680, 486604), (956, 346120), (1018, 325040), (1195, 276896), (1360, 243302), (1912, 173060), (2036, 162520), (2390, 138448), (2545, 130016), (2720, 121651), (3824, 86530), (4063, 81440), (4072, 81260), (4780, 69224), (5090, 65008), (7648, 43265), (8126, 40720), (8144, 40630), (8653, 38240), (9560, 34612), (10180, 32504), (16252, 20360), (16288, 20315), (17306, 19120)]