81892710

素因数分解:

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

素因数の和:3093

約数の個数: 48

約数和(自身を含む): 213642000

約数和(自身を除く): 131749290

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 331, 662, 993, 1655, 1986, 2749, 2979, 3310, 4965, 5498, 5958, 8247, 9930, 13745, 14895, 16494, 24741, 27490, 29790, 41235, 49482, 82470, 123705, 247410, 909919, 1819838, 2729757, 4549595, 5459514, 8189271, 9099190, 13648785, 16378542, 27297570, 40946355, 81892710]

約数ペア:

[(1, 81892710), (2, 40946355), (3, 27297570), (5, 16378542), (6, 13648785), (9, 9099190), (10, 8189271), (15, 5459514), (18, 4549595), (30, 2729757), (45, 1819838), (90, 909919), (331, 247410), (662, 123705), (993, 82470), (1655, 49482), (1986, 41235), (2749, 29790), (2979, 27490), (3310, 24741), (4965, 16494), (5498, 14895), (5958, 13745), (8247, 9930)]