2581530

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:683

約数の個数: 64

約数和(自身を含む): 7464960

約数和(自身を除く): 4883430

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 647, 665, 798, 1294, 1330, 1941, 1995, 3235, 3882, 3990, 4529, 6470, 9058, 9705, 12293, 13587, 19410, 22645, 24586, 27174, 36879, 45290, 61465, 67935, 73758, 86051, 122930, 135870, 172102, 184395, 258153, 368790, 430255, 516306, 860510, 1290765, 2581530]

約数ペア:

[(1, 2581530), (2, 1290765), (3, 860510), (5, 516306), (6, 430255), (7, 368790), (10, 258153), (14, 184395), (15, 172102), (19, 135870), (21, 122930), (30, 86051), (35, 73758), (38, 67935), (42, 61465), (57, 45290), (70, 36879), (95, 27174), (105, 24586), (114, 22645), (133, 19410), (190, 13587), (210, 12293), (266, 9705), (285, 9058), (399, 6470), (570, 4529), (647, 3990), (665, 3882), (798, 3235), (1294, 1995), (1330, 1941)]