68522865

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 121651200

約数和(自身を除く): 53128335

約数列:

[1, 3, 5, 15, 23, 31, 43, 69, 93, 115, 129, 149, 155, 215, 345, 447, 465, 645, 713, 745, 989, 1333, 2139, 2235, 2967, 3427, 3565, 3999, 4619, 4945, 6407, 6665, 10281, 10695, 13857, 14835, 17135, 19221, 19995, 23095, 30659, 32035, 51405, 69285, 91977, 96105, 106237, 147361, 153295, 198617, 318711, 442083, 459885, 531185, 595851, 736805, 993085, 1593555, 2210415, 2979255, 4568191, 13704573, 22840955, 68522865]

約数ペア:

[(1, 68522865), (3, 22840955), (5, 13704573), (15, 4568191), (23, 2979255), (31, 2210415), (43, 1593555), (69, 993085), (93, 736805), (115, 595851), (129, 531185), (149, 459885), (155, 442083), (215, 318711), (345, 198617), (447, 153295), (465, 147361), (645, 106237), (713, 96105), (745, 91977), (989, 69285), (1333, 51405), (2139, 32035), (2235, 30659), (2967, 23095), (3427, 19995), (3565, 19221), (3999, 17135), (4619, 14835), (4945, 13857), (6407, 10695), (6665, 10281)]