280908

素因数分解:

$2^2\times 3^5\times {\mathrm{17}}^2$

素因数の和:53

約数の個数: 54

約数和(自身を含む): 782236

約数和(自身を除く): 501328

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 81, 102, 108, 153, 162, 204, 243, 289, 306, 324, 459, 486, 578, 612, 867, 918, 972, 1156, 1377, 1734, 1836, 2601, 2754, 3468, 4131, 5202, 5508, 7803, 8262, 10404, 15606, 16524, 23409, 31212, 46818, 70227, 93636, 140454, 280908]

約数ペア:

[(1, 280908), (2, 140454), (3, 93636), (4, 70227), (6, 46818), (9, 31212), (12, 23409), (17, 16524), (18, 15606), (27, 10404), (34, 8262), (36, 7803), (51, 5508), (54, 5202), (68, 4131), (81, 3468), (102, 2754), (108, 2601), (153, 1836), (162, 1734), (204, 1377), (243, 1156), (289, 972), (306, 918), (324, 867), (459, 612), (486, 578)]