30869820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1151}}^1$

素因数の和:1315

約数の個数: 72

約数和(自身を含む): 94348800

約数和(自身を除く): 63478980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 149, 180, 298, 447, 596, 745, 894, 1151, 1341, 1490, 1788, 2235, 2302, 2682, 2980, 3453, 4470, 4604, 5364, 5755, 6705, 6906, 8940, 10359, 11510, 13410, 13812, 17265, 20718, 23020, 26820, 34530, 41436, 51795, 69060, 103590, 171499, 207180, 342998, 514497, 685996, 857495, 1028994, 1543491, 1714990, 2057988, 2572485, 3086982, 3429980, 5144970, 6173964, 7717455, 10289940, 15434910, 30869820]

約数ペア:

[(1, 30869820), (2, 15434910), (3, 10289940), (4, 7717455), (5, 6173964), (6, 5144970), (9, 3429980), (10, 3086982), (12, 2572485), (15, 2057988), (18, 1714990), (20, 1543491), (30, 1028994), (36, 857495), (45, 685996), (60, 514497), (90, 342998), (149, 207180), (180, 171499), (298, 103590), (447, 69060), (596, 51795), (745, 41436), (894, 34530), (1151, 26820), (1341, 23020), (1490, 20718), (1788, 17265), (2235, 13812), (2302, 13410), (2682, 11510), (2980, 10359), (3453, 8940), (4470, 6906), (4604, 6705), (5364, 5755)]