201440640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{104917}}^1$

素因数の和:104939

約数の個数: 64

約数和(自身を含む): 642098160

約数和(自身を除く): 440657520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 104917, 209834, 314751, 419668, 524585, 629502, 839336, 1049170, 1259004, 1573755, 1678672, 2098340, 2518008, 3147510, 3357344, 4196680, 5036016, 6295020, 6714688, 8393360, 10072032, 12590040, 13429376, 16786720, 20144064, 25180080, 33573440, 40288128, 50360160, 67146880, 100720320, 201440640]

約数ペア:

[(1, 201440640), (2, 100720320), (3, 67146880), (4, 50360160), (5, 40288128), (6, 33573440), (8, 25180080), (10, 20144064), (12, 16786720), (15, 13429376), (16, 12590040), (20, 10072032), (24, 8393360), (30, 6714688), (32, 6295020), (40, 5036016), (48, 4196680), (60, 3357344), (64, 3147510), (80, 2518008), (96, 2098340), (120, 1678672), (128, 1573755), (160, 1259004), (192, 1049170), (240, 839336), (320, 629502), (384, 524585), (480, 419668), (640, 314751), (960, 209834), (1920, 104917)]