2666250

素因数分解:

$2^1\times 3^3\times 5^4\times {\mathrm{79}}^1$

素因数の和:110

約数の個数: 80

約数和(自身を含む): 7497600

約数和(自身を除く): 4831350

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 79, 90, 125, 135, 150, 158, 225, 237, 250, 270, 375, 395, 450, 474, 625, 675, 711, 750, 790, 1125, 1185, 1250, 1350, 1422, 1875, 1975, 2133, 2250, 2370, 3375, 3555, 3750, 3950, 4266, 5625, 5925, 6750, 7110, 9875, 10665, 11250, 11850, 16875, 17775, 19750, 21330, 29625, 33750, 35550, 49375, 53325, 59250, 88875, 98750, 106650, 148125, 177750, 266625, 296250, 444375, 533250, 888750, 1333125, 2666250]

約数ペア:

[(1, 2666250), (2, 1333125), (3, 888750), (5, 533250), (6, 444375), (9, 296250), (10, 266625), (15, 177750), (18, 148125), (25, 106650), (27, 98750), (30, 88875), (45, 59250), (50, 53325), (54, 49375), (75, 35550), (79, 33750), (90, 29625), (125, 21330), (135, 19750), (150, 17775), (158, 16875), (225, 11850), (237, 11250), (250, 10665), (270, 9875), (375, 7110), (395, 6750), (450, 5925), (474, 5625), (625, 4266), (675, 3950), (711, 3750), (750, 3555), (790, 3375), (1125, 2370), (1185, 2250), (1250, 2133), (1350, 1975), (1422, 1875)]