77680160

素因数分解:

$2^5\times 5^1\times {\mathrm{293}}^1\times {\mathrm{1657}}^1$

素因数の和:1965

約数の個数: 48

約数和(自身を含む): 184256856

約数和(自身を除く): 106576696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 293, 586, 1172, 1465, 1657, 2344, 2930, 3314, 4688, 5860, 6628, 8285, 9376, 11720, 13256, 16570, 23440, 26512, 33140, 46880, 53024, 66280, 132560, 265120, 485501, 971002, 1942004, 2427505, 3884008, 4855010, 7768016, 9710020, 15536032, 19420040, 38840080, 77680160]

約数ペア:

[(1, 77680160), (2, 38840080), (4, 19420040), (5, 15536032), (8, 9710020), (10, 7768016), (16, 4855010), (20, 3884008), (32, 2427505), (40, 1942004), (80, 971002), (160, 485501), (293, 265120), (586, 132560), (1172, 66280), (1465, 53024), (1657, 46880), (2344, 33140), (2930, 26512), (3314, 23440), (4688, 16570), (5860, 13256), (6628, 11720), (8285, 9376)]