1249290

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{661}}^1$

素因数の和:684

約数の個数: 64

約数和(自身を含む): 3813120

約数和(自身を除く): 2563830

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 661, 945, 1322, 1890, 1983, 3305, 3966, 4627, 5949, 6610, 9254, 9915, 11898, 13881, 17847, 19830, 23135, 27762, 29745, 35694, 41643, 46270, 59490, 69405, 83286, 89235, 124929, 138810, 178470, 208215, 249858, 416430, 624645, 1249290]

約数ペア:

[(1, 1249290), (2, 624645), (3, 416430), (5, 249858), (6, 208215), (7, 178470), (9, 138810), (10, 124929), (14, 89235), (15, 83286), (18, 69405), (21, 59490), (27, 46270), (30, 41643), (35, 35694), (42, 29745), (45, 27762), (54, 23135), (63, 19830), (70, 17847), (90, 13881), (105, 11898), (126, 9915), (135, 9254), (189, 6610), (210, 5949), (270, 4627), (315, 3966), (378, 3305), (630, 1983), (661, 1890), (945, 1322)]