28161280

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{449}}^1$

素因数の和:484

約数の個数: 108

約数和(自身を含む): 78642900

約数和(自身を除く): 50481620

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 449, 490, 560, 640, 784, 896, 898, 980, 1120, 1280, 1568, 1792, 1796, 1960, 2240, 2245, 3136, 3143, 3592, 3920, 4480, 4490, 6272, 6286, 7184, 7840, 8960, 8980, 12544, 12572, 14368, 15680, 15715, 17960, 22001, 25144, 28736, 31360, 31430, 35920, 44002, 50288, 57472, 62720, 62860, 71840, 88004, 100576, 110005, 114944, 125720, 143680, 176008, 201152, 220010, 251440, 287360, 352016, 402304, 440020, 502880, 574720, 704032, 804608, 880040, 1005760, 1408064, 1760080, 2011520, 2816128, 3520160, 4023040, 5632256, 7040320, 14080640, 28161280]

約数ペア:

[(1, 28161280), (2, 14080640), (4, 7040320), (5, 5632256), (7, 4023040), (8, 3520160), (10, 2816128), (14, 2011520), (16, 1760080), (20, 1408064), (28, 1005760), (32, 880040), (35, 804608), (40, 704032), (49, 574720), (56, 502880), (64, 440020), (70, 402304), (80, 352016), (98, 287360), (112, 251440), (128, 220010), (140, 201152), (160, 176008), (196, 143680), (224, 125720), (245, 114944), (256, 110005), (280, 100576), (320, 88004), (392, 71840), (448, 62860), (449, 62720), (490, 57472), (560, 50288), (640, 44002), (784, 35920), (896, 31430), (898, 31360), (980, 28736), (1120, 25144), (1280, 22001), (1568, 17960), (1792, 15715), (1796, 15680), (1960, 14368), (2240, 12572), (2245, 12544), (3136, 8980), (3143, 8960), (3592, 7840), (3920, 7184), (4480, 6286), (4490, 6272)]