161722875

素因数分解:

$3^1\times 5^3\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 280350720

約数和(自身を除く): 118627845

約数列:

[1, 3, 5, 15, 25, 53, 75, 79, 103, 125, 159, 237, 265, 309, 375, 395, 515, 795, 1185, 1325, 1545, 1975, 2575, 3975, 4187, 5459, 5925, 6625, 7725, 8137, 9875, 12561, 12875, 16377, 19875, 20935, 24411, 27295, 29625, 38625, 40685, 62805, 81885, 104675, 122055, 136475, 203425, 314025, 409425, 431261, 523375, 610275, 682375, 1017125, 1293783, 1570125, 2047125, 2156305, 3051375, 6468915, 10781525, 32344575, 53907625, 161722875]

約数ペア:

[(1, 161722875), (3, 53907625), (5, 32344575), (15, 10781525), (25, 6468915), (53, 3051375), (75, 2156305), (79, 2047125), (103, 1570125), (125, 1293783), (159, 1017125), (237, 682375), (265, 610275), (309, 523375), (375, 431261), (395, 409425), (515, 314025), (795, 203425), (1185, 136475), (1325, 122055), (1545, 104675), (1975, 81885), (2575, 62805), (3975, 40685), (4187, 38625), (5459, 29625), (5925, 27295), (6625, 24411), (7725, 20935), (8137, 19875), (9875, 16377), (12561, 12875)]