81397500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{10853}}^1$

素因数の和:10880

約数の個数: 60

約数和(自身を含む): 237355272

約数和(自身を除く): 155957772

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 625, 750, 1250, 1500, 1875, 2500, 3750, 7500, 10853, 21706, 32559, 43412, 54265, 65118, 108530, 130236, 162795, 217060, 271325, 325590, 542650, 651180, 813975, 1085300, 1356625, 1627950, 2713250, 3255900, 4069875, 5426500, 6783125, 8139750, 13566250, 16279500, 20349375, 27132500, 40698750, 81397500]

約数ペア:

[(1, 81397500), (2, 40698750), (3, 27132500), (4, 20349375), (5, 16279500), (6, 13566250), (10, 8139750), (12, 6783125), (15, 5426500), (20, 4069875), (25, 3255900), (30, 2713250), (50, 1627950), (60, 1356625), (75, 1085300), (100, 813975), (125, 651180), (150, 542650), (250, 325590), (300, 271325), (375, 217060), (500, 162795), (625, 130236), (750, 108530), (1250, 65118), (1500, 54265), (1875, 43412), (2500, 32559), (3750, 21706), (7500, 10853)]