163785420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{2749}}^1$

素因数の和:3095

約数の個数: 72

約数和(自身を含む): 498498000

約数和(自身を除く): 334712580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 331, 662, 993, 1324, 1655, 1986, 2749, 2979, 3310, 3972, 4965, 5498, 5958, 6620, 8247, 9930, 10996, 11916, 13745, 14895, 16494, 19860, 24741, 27490, 29790, 32988, 41235, 49482, 54980, 59580, 82470, 98964, 123705, 164940, 247410, 494820, 909919, 1819838, 2729757, 3639676, 4549595, 5459514, 8189271, 9099190, 10919028, 13648785, 16378542, 18198380, 27297570, 32757084, 40946355, 54595140, 81892710, 163785420]

約数ペア:

[(1, 163785420), (2, 81892710), (3, 54595140), (4, 40946355), (5, 32757084), (6, 27297570), (9, 18198380), (10, 16378542), (12, 13648785), (15, 10919028), (18, 9099190), (20, 8189271), (30, 5459514), (36, 4549595), (45, 3639676), (60, 2729757), (90, 1819838), (180, 909919), (331, 494820), (662, 247410), (993, 164940), (1324, 123705), (1655, 98964), (1986, 82470), (2749, 59580), (2979, 54980), (3310, 49482), (3972, 41235), (4965, 32988), (5498, 29790), (5958, 27490), (6620, 24741), (8247, 19860), (9930, 16494), (10996, 14895), (11916, 13745)]