309690

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:84

約数の個数: 64

約数和(自身を含む): 875520

約数和(自身を除く): 565830

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 37, 45, 54, 62, 74, 90, 93, 111, 135, 155, 185, 186, 222, 270, 279, 310, 333, 370, 465, 555, 558, 666, 837, 930, 999, 1110, 1147, 1395, 1665, 1674, 1998, 2294, 2790, 3330, 3441, 4185, 4995, 5735, 6882, 8370, 9990, 10323, 11470, 17205, 20646, 30969, 34410, 51615, 61938, 103230, 154845, 309690]

約数ペア:

[(1, 309690), (2, 154845), (3, 103230), (5, 61938), (6, 51615), (9, 34410), (10, 30969), (15, 20646), (18, 17205), (27, 11470), (30, 10323), (31, 9990), (37, 8370), (45, 6882), (54, 5735), (62, 4995), (74, 4185), (90, 3441), (93, 3330), (111, 2790), (135, 2294), (155, 1998), (185, 1674), (186, 1665), (222, 1395), (270, 1147), (279, 1110), (310, 999), (333, 930), (370, 837), (465, 666), (555, 558)]