311917860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{4909}}^1$

素因数の和:5277

約数の個数: 72

約数和(自身を含む): 949024440

約数和(自身を除く): 637106580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 353, 706, 1059, 1412, 1765, 2118, 3177, 3530, 4236, 4909, 5295, 6354, 7060, 9818, 10590, 12708, 14727, 15885, 19636, 21180, 24545, 29454, 31770, 44181, 49090, 58908, 63540, 73635, 88362, 98180, 147270, 176724, 220905, 294540, 441810, 883620, 1732877, 3465754, 5198631, 6931508, 8664385, 10397262, 15595893, 17328770, 20794524, 25993155, 31191786, 34657540, 51986310, 62383572, 77979465, 103972620, 155958930, 311917860]

約数ペア:

[(1, 311917860), (2, 155958930), (3, 103972620), (4, 77979465), (5, 62383572), (6, 51986310), (9, 34657540), (10, 31191786), (12, 25993155), (15, 20794524), (18, 17328770), (20, 15595893), (30, 10397262), (36, 8664385), (45, 6931508), (60, 5198631), (90, 3465754), (180, 1732877), (353, 883620), (706, 441810), (1059, 294540), (1412, 220905), (1765, 176724), (2118, 147270), (3177, 98180), (3530, 88362), (4236, 73635), (4909, 63540), (5295, 58908), (6354, 49090), (7060, 44181), (9818, 31770), (10590, 29454), (12708, 24545), (14727, 21180), (15885, 19636)]