31242080

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:316

約数の個数: 96

約数和(自身を含む): 79833600

約数和(自身を除く): 48591520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 43, 76, 80, 86, 95, 152, 160, 172, 190, 215, 239, 304, 344, 380, 430, 478, 608, 688, 760, 817, 860, 956, 1195, 1376, 1520, 1634, 1720, 1912, 2390, 3040, 3268, 3440, 3824, 4085, 4541, 4780, 6536, 6880, 7648, 8170, 9082, 9560, 10277, 13072, 16340, 18164, 19120, 20554, 22705, 26144, 32680, 36328, 38240, 41108, 45410, 51385, 65360, 72656, 82216, 90820, 102770, 130720, 145312, 164432, 181640, 195263, 205540, 328864, 363280, 390526, 411080, 726560, 781052, 822160, 976315, 1562104, 1644320, 1952630, 3124208, 3905260, 6248416, 7810520, 15621040, 31242080]

約数ペア:

[(1, 31242080), (2, 15621040), (4, 7810520), (5, 6248416), (8, 3905260), (10, 3124208), (16, 1952630), (19, 1644320), (20, 1562104), (32, 976315), (38, 822160), (40, 781052), (43, 726560), (76, 411080), (80, 390526), (86, 363280), (95, 328864), (152, 205540), (160, 195263), (172, 181640), (190, 164432), (215, 145312), (239, 130720), (304, 102770), (344, 90820), (380, 82216), (430, 72656), (478, 65360), (608, 51385), (688, 45410), (760, 41108), (817, 38240), (860, 36328), (956, 32680), (1195, 26144), (1376, 22705), (1520, 20554), (1634, 19120), (1720, 18164), (1912, 16340), (2390, 13072), (3040, 10277), (3268, 9560), (3440, 9082), (3824, 8170), (4085, 7648), (4541, 6880), (4780, 6536)]