220170615

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:512

約数の個数: 64

約数和(自身を含む): 416102400

約数和(自身を除く): 195931785

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 105, 123, 199, 205, 257, 287, 597, 615, 771, 861, 995, 1285, 1393, 1435, 1799, 2985, 3855, 4179, 4305, 5397, 6965, 8159, 8995, 10537, 20895, 24477, 26985, 31611, 40795, 51143, 52685, 57113, 73759, 122385, 153429, 158055, 171339, 221277, 255715, 285565, 358001, 368795, 767145, 856695, 1074003, 1106385, 1790005, 2096863, 5370015, 6290589, 10484315, 14678041, 31452945, 44034123, 73390205, 220170615]

約数ペア:

[(1, 220170615), (3, 73390205), (5, 44034123), (7, 31452945), (15, 14678041), (21, 10484315), (35, 6290589), (41, 5370015), (105, 2096863), (123, 1790005), (199, 1106385), (205, 1074003), (257, 856695), (287, 767145), (597, 368795), (615, 358001), (771, 285565), (861, 255715), (995, 221277), (1285, 171339), (1393, 158055), (1435, 153429), (1799, 122385), (2985, 73759), (3855, 57113), (4179, 52685), (4305, 51143), (5397, 40795), (6965, 31611), (8159, 26985), (8995, 24477), (10537, 20895)]