31384890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:384

約数の個数: 96

約数和(自身を含む): 87896016

約数和(自身を除く): 56511126

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 73, 85, 90, 102, 146, 153, 170, 219, 255, 281, 306, 365, 438, 510, 562, 657, 730, 765, 843, 1095, 1241, 1314, 1405, 1530, 1686, 2190, 2482, 2529, 2810, 3285, 3723, 4215, 4777, 5058, 6205, 6570, 7446, 8430, 9554, 11169, 12410, 12645, 14331, 18615, 20513, 22338, 23885, 25290, 28662, 37230, 41026, 42993, 47770, 55845, 61539, 71655, 85986, 102565, 111690, 123078, 143310, 184617, 205130, 214965, 307695, 348721, 369234, 429930, 615390, 697442, 923085, 1046163, 1743605, 1846170, 2092326, 3138489, 3487210, 5230815, 6276978, 10461630, 15692445, 31384890]

約数ペア:

[(1, 31384890), (2, 15692445), (3, 10461630), (5, 6276978), (6, 5230815), (9, 3487210), (10, 3138489), (15, 2092326), (17, 1846170), (18, 1743605), (30, 1046163), (34, 923085), (45, 697442), (51, 615390), (73, 429930), (85, 369234), (90, 348721), (102, 307695), (146, 214965), (153, 205130), (170, 184617), (219, 143310), (255, 123078), (281, 111690), (306, 102565), (365, 85986), (438, 71655), (510, 61539), (562, 55845), (657, 47770), (730, 42993), (765, 41026), (843, 37230), (1095, 28662), (1241, 25290), (1314, 23885), (1405, 22338), (1530, 20513), (1686, 18615), (2190, 14331), (2482, 12645), (2529, 12410), (2810, 11169), (3285, 9554), (3723, 8430), (4215, 7446), (4777, 6570), (5058, 6205)]