56712780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{619}}^1$

素因数の和:1143

約数の個数: 72

約数和(自身を含む): 172645200

約数和(自身を除く): 115932420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 509, 619, 1018, 1238, 1527, 1857, 2036, 2476, 2545, 3054, 3095, 3714, 4581, 5090, 5571, 6108, 6190, 7428, 7635, 9162, 9285, 10180, 11142, 12380, 15270, 18324, 18570, 22284, 22905, 27855, 30540, 37140, 45810, 55710, 91620, 111420, 315071, 630142, 945213, 1260284, 1575355, 1890426, 2835639, 3150710, 3780852, 4726065, 5671278, 6301420, 9452130, 11342556, 14178195, 18904260, 28356390, 56712780]

約数ペア:

[(1, 56712780), (2, 28356390), (3, 18904260), (4, 14178195), (5, 11342556), (6, 9452130), (9, 6301420), (10, 5671278), (12, 4726065), (15, 3780852), (18, 3150710), (20, 2835639), (30, 1890426), (36, 1575355), (45, 1260284), (60, 945213), (90, 630142), (180, 315071), (509, 111420), (619, 91620), (1018, 55710), (1238, 45810), (1527, 37140), (1857, 30540), (2036, 27855), (2476, 22905), (2545, 22284), (3054, 18570), (3095, 18324), (3714, 15270), (4581, 12380), (5090, 11142), (5571, 10180), (6108, 9285), (6190, 9162), (7428, 7635)]