81501930

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{3821}}^1$

素因数の和:3916

約数の個数: 64

約数和(自身を含む): 220147200

約数和(自身を除く): 138645270

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 79, 90, 135, 158, 237, 270, 395, 474, 711, 790, 1185, 1422, 2133, 2370, 3555, 3821, 4266, 7110, 7642, 10665, 11463, 19105, 21330, 22926, 34389, 38210, 57315, 68778, 103167, 114630, 171945, 206334, 301859, 343890, 515835, 603718, 905577, 1031670, 1509295, 1811154, 2716731, 3018590, 4527885, 5433462, 8150193, 9055770, 13583655, 16300386, 27167310, 40750965, 81501930]

約数ペア:

[(1, 81501930), (2, 40750965), (3, 27167310), (5, 16300386), (6, 13583655), (9, 9055770), (10, 8150193), (15, 5433462), (18, 4527885), (27, 3018590), (30, 2716731), (45, 1811154), (54, 1509295), (79, 1031670), (90, 905577), (135, 603718), (158, 515835), (237, 343890), (270, 301859), (395, 206334), (474, 171945), (711, 114630), (790, 103167), (1185, 68778), (1422, 57315), (2133, 38210), (2370, 34389), (3555, 22926), (3821, 21330), (4266, 19105), (7110, 11463), (7642, 10665)]