1805880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 5508000

約数和(自身を除く): 3702120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 101, 120, 149, 202, 298, 303, 404, 447, 505, 596, 606, 745, 808, 894, 1010, 1192, 1212, 1490, 1515, 1788, 2020, 2235, 2424, 2980, 3030, 3576, 4040, 4470, 5960, 6060, 8940, 12120, 15049, 17880, 30098, 45147, 60196, 75245, 90294, 120392, 150490, 180588, 225735, 300980, 361176, 451470, 601960, 902940, 1805880]

約数ペア:

[(1, 1805880), (2, 902940), (3, 601960), (4, 451470), (5, 361176), (6, 300980), (8, 225735), (10, 180588), (12, 150490), (15, 120392), (20, 90294), (24, 75245), (30, 60196), (40, 45147), (60, 30098), (101, 17880), (120, 15049), (149, 12120), (202, 8940), (298, 6060), (303, 5960), (404, 4470), (447, 4040), (505, 3576), (596, 3030), (606, 2980), (745, 2424), (808, 2235), (894, 2020), (1010, 1788), (1192, 1515), (1212, 1490)]