2141640

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{661}}^1$

素因数の和:684

約数の個数: 80

約数和(自身を含む): 7209180

約数和(自身を除く): 5067540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 661, 810, 1080, 1322, 1620, 1983, 2644, 3240, 3305, 3966, 5288, 5949, 6610, 7932, 9915, 11898, 13220, 15864, 17847, 19830, 23796, 26440, 29745, 35694, 39660, 47592, 53541, 59490, 71388, 79320, 89235, 107082, 118980, 142776, 178470, 214164, 237960, 267705, 356940, 428328, 535410, 713880, 1070820, 2141640]

約数ペア:

[(1, 2141640), (2, 1070820), (3, 713880), (4, 535410), (5, 428328), (6, 356940), (8, 267705), (9, 237960), (10, 214164), (12, 178470), (15, 142776), (18, 118980), (20, 107082), (24, 89235), (27, 79320), (30, 71388), (36, 59490), (40, 53541), (45, 47592), (54, 39660), (60, 35694), (72, 29745), (81, 26440), (90, 23796), (108, 19830), (120, 17847), (135, 15864), (162, 13220), (180, 11898), (216, 9915), (270, 7932), (324, 6610), (360, 5949), (405, 5288), (540, 3966), (648, 3305), (661, 3240), (810, 2644), (1080, 1983), (1322, 1620)]