2446640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:294

約数の個数: 80

約数和(自身を含む): 6910272

約数和(自身を除く): 4463632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 257, 272, 280, 340, 476, 514, 560, 595, 680, 952, 1028, 1190, 1285, 1360, 1799, 1904, 2056, 2380, 2570, 3598, 4112, 4369, 4760, 5140, 7196, 8738, 8995, 9520, 10280, 14392, 17476, 17990, 20560, 21845, 28784, 30583, 34952, 35980, 43690, 61166, 69904, 71960, 87380, 122332, 143920, 152915, 174760, 244664, 305830, 349520, 489328, 611660, 1223320, 2446640]

約数ペア:

[(1, 2446640), (2, 1223320), (4, 611660), (5, 489328), (7, 349520), (8, 305830), (10, 244664), (14, 174760), (16, 152915), (17, 143920), (20, 122332), (28, 87380), (34, 71960), (35, 69904), (40, 61166), (56, 43690), (68, 35980), (70, 34952), (80, 30583), (85, 28784), (112, 21845), (119, 20560), (136, 17990), (140, 17476), (170, 14392), (238, 10280), (257, 9520), (272, 8995), (280, 8738), (340, 7196), (476, 5140), (514, 4760), (560, 4369), (595, 4112), (680, 3598), (952, 2570), (1028, 2380), (1190, 2056), (1285, 1904), (1360, 1799)]