215689.0000000

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{853}}^1$

素因数の和:968

約数の個数: 48

約数和(自身を含む): 14921088

約数和(自身を除く): 9649548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 103, 206, 309, 412, 515, 618, 853, 1030, 1236, 1545, 1706, 2060, 2559, 3090, 3412, 4265, 5118, 6180, 8530, 10236, 12795, 17060, 25590, 51180, 87859, 175718, 263577, 351436, 439295, 527154, 878590, 1054308, 1317885, 1757180, 2635770, 5271540]

約数ペア:

[(1, 5271540), (2, 2635770), (3, 1757180), (4, 1317885), (5, 1054308), (6, 878590), (10, 527154), (12, 439295), (15, 351436), (20, 263577), (30, 175718), (60, 87859), (103, 51180), (206, 25590), (309, 17060), (412, 12795), (515, 10236), (618, 8530), (853, 6180), (1030, 5118), (1236, 4265), (1545, 3412), (1706, 3090), (2060, 2559)]