85285380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{2687}}^1$

素因数の和:2745

約数の個数: 72

約数和(自身を含む): 249725952

約数和(自身を除く): 164440572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 529, 690, 1058, 1380, 1587, 2116, 2645, 2687, 3174, 5290, 5374, 6348, 7935, 8061, 10580, 10748, 13435, 15870, 16122, 26870, 31740, 32244, 40305, 53740, 61801, 80610, 123602, 161220, 185403, 247204, 309005, 370806, 618010, 741612, 927015, 1236020, 1421423, 1854030, 2842846, 3708060, 4264269, 5685692, 7107115, 8528538, 14214230, 17057076, 21321345, 28428460, 42642690, 85285380]

約数ペア:

[(1, 85285380), (2, 42642690), (3, 28428460), (4, 21321345), (5, 17057076), (6, 14214230), (10, 8528538), (12, 7107115), (15, 5685692), (20, 4264269), (23, 3708060), (30, 2842846), (46, 1854030), (60, 1421423), (69, 1236020), (92, 927015), (115, 741612), (138, 618010), (230, 370806), (276, 309005), (345, 247204), (460, 185403), (529, 161220), (690, 123602), (1058, 80610), (1380, 61801), (1587, 53740), (2116, 40305), (2645, 32244), (2687, 31740), (3174, 26870), (5290, 16122), (5374, 15870), (6348, 13435), (7935, 10748), (8061, 10580)]