78148125

素因数分解:

$3^3\times 5^4\times {\mathrm{11}}^1\times {\mathrm{421}}^1$

素因数の和:461

約数の個数: 80

約数和(自身を含む): 158199360

約数和(自身を除く): 80051235

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 99, 125, 135, 165, 225, 275, 297, 375, 421, 495, 625, 675, 825, 1125, 1263, 1375, 1485, 1875, 2105, 2475, 3375, 3789, 4125, 4631, 5625, 6315, 6875, 7425, 10525, 11367, 12375, 13893, 16875, 18945, 20625, 23155, 31575, 37125, 41679, 52625, 56835, 61875, 69465, 94725, 115775, 125037, 157875, 185625, 208395, 263125, 284175, 347325, 473625, 578875, 625185, 789375, 1041975, 1420875, 1736625, 2368125, 2894375, 3125925, 5209875, 7104375, 8683125, 15629625, 26049375, 78148125]

約数ペア:

[(1, 78148125), (3, 26049375), (5, 15629625), (9, 8683125), (11, 7104375), (15, 5209875), (25, 3125925), (27, 2894375), (33, 2368125), (45, 1736625), (55, 1420875), (75, 1041975), (99, 789375), (125, 625185), (135, 578875), (165, 473625), (225, 347325), (275, 284175), (297, 263125), (375, 208395), (421, 185625), (495, 157875), (625, 125037), (675, 115775), (825, 94725), (1125, 69465), (1263, 61875), (1375, 56835), (1485, 52625), (1875, 41679), (2105, 37125), (2475, 31575), (3375, 23155), (3789, 20625), (4125, 18945), (4631, 16875), (5625, 13893), (6315, 12375), (6875, 11367), (7425, 10525)]