81869670

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{15959}}^1$

素因数の和:15994

約数の個数: 64

約数和(自身を含む): 229824000

約数和(自身を除く): 147954330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 90, 95, 114, 135, 171, 190, 270, 285, 342, 513, 570, 855, 1026, 1710, 2565, 5130, 15959, 31918, 47877, 79795, 95754, 143631, 159590, 239385, 287262, 303221, 430893, 478770, 606442, 718155, 861786, 909663, 1436310, 1516105, 1819326, 2154465, 2728989, 3032210, 4308930, 4548315, 5457978, 8186967, 9096630, 13644945, 16373934, 27289890, 40934835, 81869670]

約数ペア:

[(1, 81869670), (2, 40934835), (3, 27289890), (5, 16373934), (6, 13644945), (9, 9096630), (10, 8186967), (15, 5457978), (18, 4548315), (19, 4308930), (27, 3032210), (30, 2728989), (38, 2154465), (45, 1819326), (54, 1516105), (57, 1436310), (90, 909663), (95, 861786), (114, 718155), (135, 606442), (171, 478770), (190, 430893), (270, 303221), (285, 287262), (342, 239385), (513, 159590), (570, 143631), (855, 95754), (1026, 79795), (1710, 47877), (2565, 31918), (5130, 15959)]