1782040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:196

約数の個数: 64

約数和(自身を含む): 4536000

約数和(自身を除く): 2753960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 149, 184, 230, 260, 298, 299, 460, 520, 596, 598, 745, 920, 1192, 1196, 1490, 1495, 1937, 2392, 2980, 2990, 3427, 3874, 5960, 5980, 6854, 7748, 9685, 11960, 13708, 15496, 17135, 19370, 27416, 34270, 38740, 44551, 68540, 77480, 89102, 137080, 178204, 222755, 356408, 445510, 891020, 1782040]

約数ペア:

[(1, 1782040), (2, 891020), (4, 445510), (5, 356408), (8, 222755), (10, 178204), (13, 137080), (20, 89102), (23, 77480), (26, 68540), (40, 44551), (46, 38740), (52, 34270), (65, 27416), (92, 19370), (104, 17135), (115, 15496), (130, 13708), (149, 11960), (184, 9685), (230, 7748), (260, 6854), (298, 5980), (299, 5960), (460, 3874), (520, 3427), (596, 2990), (598, 2980), (745, 2392), (920, 1937), (1192, 1495), (1196, 1490)]