17720880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1571}}^1$

素因数の和:1634

約数の個数: 80

約数和(自身を含む): 56139264

約数和(自身を除く): 38418384

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 47, 48, 60, 80, 94, 120, 141, 188, 235, 240, 282, 376, 470, 564, 705, 752, 940, 1128, 1410, 1571, 1880, 2256, 2820, 3142, 3760, 4713, 5640, 6284, 7855, 9426, 11280, 12568, 15710, 18852, 23565, 25136, 31420, 37704, 47130, 62840, 73837, 75408, 94260, 125680, 147674, 188520, 221511, 295348, 369185, 377040, 443022, 590696, 738370, 886044, 1107555, 1181392, 1476740, 1772088, 2215110, 2953480, 3544176, 4430220, 5906960, 8860440, 17720880]

約数ペア:

[(1, 17720880), (2, 8860440), (3, 5906960), (4, 4430220), (5, 3544176), (6, 2953480), (8, 2215110), (10, 1772088), (12, 1476740), (15, 1181392), (16, 1107555), (20, 886044), (24, 738370), (30, 590696), (40, 443022), (47, 377040), (48, 369185), (60, 295348), (80, 221511), (94, 188520), (120, 147674), (141, 125680), (188, 94260), (235, 75408), (240, 73837), (282, 62840), (376, 47130), (470, 37704), (564, 31420), (705, 25136), (752, 23565), (940, 18852), (1128, 15710), (1410, 12568), (1571, 11280), (1880, 9426), (2256, 7855), (2820, 6284), (3142, 5640), (3760, 4713)]