51511860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{683}}^1$

素因数の和:1117

約数の個数: 72

約数和(自身を含む): 156854880

約数和(自身を除く): 105343020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 419, 683, 838, 1257, 1366, 1676, 2049, 2095, 2514, 2732, 3415, 3771, 4098, 4190, 5028, 6147, 6285, 6830, 7542, 8196, 8380, 10245, 12294, 12570, 13660, 15084, 18855, 20490, 24588, 25140, 30735, 37710, 40980, 61470, 75420, 122940, 286177, 572354, 858531, 1144708, 1430885, 1717062, 2575593, 2861770, 3434124, 4292655, 5151186, 5723540, 8585310, 10302372, 12877965, 17170620, 25755930, 51511860]

約数ペア:

[(1, 51511860), (2, 25755930), (3, 17170620), (4, 12877965), (5, 10302372), (6, 8585310), (9, 5723540), (10, 5151186), (12, 4292655), (15, 3434124), (18, 2861770), (20, 2575593), (30, 1717062), (36, 1430885), (45, 1144708), (60, 858531), (90, 572354), (180, 286177), (419, 122940), (683, 75420), (838, 61470), (1257, 40980), (1366, 37710), (1676, 30735), (2049, 25140), (2095, 24588), (2514, 20490), (2732, 18855), (3415, 15084), (3771, 13660), (4098, 12570), (4190, 12294), (5028, 10245), (6147, 8380), (6285, 8196), (6830, 7542)]