30359720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{929}}^1$

素因数の和:1002

約数の個数: 64

約数和(自身を含む): 73656000

約数和(自身を除く): 43296280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 860, 929, 1634, 1720, 1858, 3268, 3716, 4085, 4645, 6536, 7432, 8170, 9290, 16340, 17651, 18580, 32680, 35302, 37160, 39947, 70604, 79894, 88255, 141208, 159788, 176510, 199735, 319576, 353020, 399470, 706040, 758993, 798940, 1517986, 1597880, 3035972, 3794965, 6071944, 7589930, 15179860, 30359720]

約数ペア:

[(1, 30359720), (2, 15179860), (4, 7589930), (5, 6071944), (8, 3794965), (10, 3035972), (19, 1597880), (20, 1517986), (38, 798940), (40, 758993), (43, 706040), (76, 399470), (86, 353020), (95, 319576), (152, 199735), (172, 176510), (190, 159788), (215, 141208), (344, 88255), (380, 79894), (430, 70604), (760, 39947), (817, 37160), (860, 35302), (929, 32680), (1634, 18580), (1720, 17651), (1858, 16340), (3268, 9290), (3716, 8170), (4085, 7432), (4645, 6536)]