78650820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5531}}^1$

素因数の和:5625

約数の個数: 72

約数和(自身を含む): 241637760

約数和(自身を除く): 162986940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 2370, 2844, 3555, 4740, 5531, 7110, 11062, 14220, 16593, 22124, 27655, 33186, 49779, 55310, 66372, 82965, 99558, 110620, 165930, 199116, 248895, 331860, 436949, 497790, 873898, 995580, 1310847, 1747796, 2184745, 2621694, 3932541, 4369490, 5243388, 6554235, 7865082, 8738980, 13108470, 15730164, 19662705, 26216940, 39325410, 78650820]

約数ペア:

[(1, 78650820), (2, 39325410), (3, 26216940), (4, 19662705), (5, 15730164), (6, 13108470), (9, 8738980), (10, 7865082), (12, 6554235), (15, 5243388), (18, 4369490), (20, 3932541), (30, 2621694), (36, 2184745), (45, 1747796), (60, 1310847), (79, 995580), (90, 873898), (158, 497790), (180, 436949), (237, 331860), (316, 248895), (395, 199116), (474, 165930), (711, 110620), (790, 99558), (948, 82965), (1185, 66372), (1422, 55310), (1580, 49779), (2370, 33186), (2844, 27655), (3555, 22124), (4740, 16593), (5531, 14220), (7110, 11062)]