1223320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:292

約数の個数: 64

約数和(自身を含む): 3343680

約数和(自身を除く): 2120360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 257, 280, 340, 476, 514, 595, 680, 952, 1028, 1190, 1285, 1799, 2056, 2380, 2570, 3598, 4369, 4760, 5140, 7196, 8738, 8995, 10280, 14392, 17476, 17990, 21845, 30583, 34952, 35980, 43690, 61166, 71960, 87380, 122332, 152915, 174760, 244664, 305830, 611660, 1223320]

約数ペア:

[(1, 1223320), (2, 611660), (4, 305830), (5, 244664), (7, 174760), (8, 152915), (10, 122332), (14, 87380), (17, 71960), (20, 61166), (28, 43690), (34, 35980), (35, 34952), (40, 30583), (56, 21845), (68, 17990), (70, 17476), (85, 14392), (119, 10280), (136, 8995), (140, 8738), (170, 7196), (238, 5140), (257, 4760), (280, 4369), (340, 3598), (476, 2570), (514, 2380), (595, 2056), (680, 1799), (952, 1285), (1028, 1190)]