1290870

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{683}}^1$

素因数の和:706

約数の個数: 64

約数和(自身を含む): 3939840

約数和(自身を除く): 2648970

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, 683, 945, 1366, 1890, 2049, 3415, 4098, 4781, 6147, 6830, 9562, 10245, 12294, 14343, 18441, 20490, 23905, 28686, 30735, 36882, 43029, 47810, 61470, 71715, 86058, 92205, 129087, 143430, 184410, 215145, 258174, 430290, 645435, 1290870]

約数ペア:

[(1, 1290870), (2, 645435), (3, 430290), (5, 258174), (6, 215145), (7, 184410), (9, 143430), (10, 129087), (14, 92205), (15, 86058), (18, 71715), (21, 61470), (27, 47810), (30, 43029), (35, 36882), (42, 30735), (45, 28686), (54, 23905), (63, 20490), (70, 18441), (90, 14343), (105, 12294), (126, 10245), (135, 9562), (189, 6830), (210, 6147), (270, 4781), (315, 4098), (378, 3415), (630, 2049), (683, 1890), (945, 1366)]