81980040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{3433}}^1$

素因数の和:3646

約数の個数: 64

約数和(自身を含む): 247248000

約数和(自身を除く): 165267960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 199, 398, 597, 796, 995, 1194, 1592, 1990, 2388, 2985, 3433, 3980, 4776, 5970, 6866, 7960, 10299, 11940, 13732, 17165, 20598, 23880, 27464, 34330, 41196, 51495, 68660, 82392, 102990, 137320, 205980, 411960, 683167, 1366334, 2049501, 2732668, 3415835, 4099002, 5465336, 6831670, 8198004, 10247505, 13663340, 16396008, 20495010, 27326680, 40990020, 81980040]

約数ペア:

[(1, 81980040), (2, 40990020), (3, 27326680), (4, 20495010), (5, 16396008), (6, 13663340), (8, 10247505), (10, 8198004), (12, 6831670), (15, 5465336), (20, 4099002), (24, 3415835), (30, 2732668), (40, 2049501), (60, 1366334), (120, 683167), (199, 411960), (398, 205980), (597, 137320), (796, 102990), (995, 82392), (1194, 68660), (1592, 51495), (1990, 41196), (2388, 34330), (2985, 27464), (3433, 23880), (3980, 20598), (4776, 17165), (5970, 13732), (6866, 11940), (7960, 10299)]