489805120

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{487}}^1$

素因数の和:960

約数の個数: 112

約数和(自身を含む): 1338681600

約数和(自身を除く): 848876480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 449, 487, 560, 898, 974, 1120, 1796, 1948, 2240, 2245, 2435, 3143, 3409, 3592, 3896, 4490, 4870, 6286, 6818, 7184, 7792, 8980, 9740, 12572, 13636, 14368, 15584, 15715, 17045, 17960, 19480, 25144, 27272, 28736, 31168, 31430, 34090, 35920, 38960, 50288, 54544, 62860, 68180, 71840, 77920, 100576, 109088, 125720, 136360, 143680, 155840, 201152, 218176, 218663, 251440, 272720, 437326, 502880, 545440, 874652, 1005760, 1090880, 1093315, 1530641, 1749304, 2186630, 3061282, 3498608, 4373260, 6122564, 6997216, 7653205, 8746520, 12245128, 13994432, 15306410, 17493040, 24490256, 30612820, 34986080, 48980512, 61225640, 69972160, 97961024, 122451280, 244902560, 489805120]

約数ペア:

[(1, 489805120), (2, 244902560), (4, 122451280), (5, 97961024), (7, 69972160), (8, 61225640), (10, 48980512), (14, 34986080), (16, 30612820), (20, 24490256), (28, 17493040), (32, 15306410), (35, 13994432), (40, 12245128), (56, 8746520), (64, 7653205), (70, 6997216), (80, 6122564), (112, 4373260), (140, 3498608), (160, 3061282), (224, 2186630), (280, 1749304), (320, 1530641), (448, 1093315), (449, 1090880), (487, 1005760), (560, 874652), (898, 545440), (974, 502880), (1120, 437326), (1796, 272720), (1948, 251440), (2240, 218663), (2245, 218176), (2435, 201152), (3143, 155840), (3409, 143680), (3592, 136360), (3896, 125720), (4490, 109088), (4870, 100576), (6286, 77920), (6818, 71840), (7184, 68180), (7792, 62860), (8980, 54544), (9740, 50288), (12572, 38960), (13636, 35920), (14368, 34090), (15584, 31430), (15715, 31168), (17045, 28736), (17960, 27272), (19480, 25144)]