259880320

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{8287}}^1$

素因数の和:8320

約数の個数: 96

約数和(自身を含む): 722796480

約数和(自身を除く): 462916160

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, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1120, 1568, 1960, 2240, 3136, 3920, 4480, 6272, 7840, 8287, 15680, 16574, 31360, 33148, 41435, 58009, 66296, 82870, 116018, 132592, 165740, 232036, 265184, 290045, 331480, 406063, 464072, 530368, 580090, 662960, 812126, 928144, 1060736, 1160180, 1325920, 1624252, 1856288, 2030315, 2320360, 2651840, 3248504, 3712576, 4060630, 4640720, 5303680, 6497008, 7425152, 8121260, 9281440, 12994016, 16242520, 18562880, 25988032, 32485040, 37125760, 51976064, 64970080, 129940160, 259880320]

約数ペア:

[(1, 259880320), (2, 129940160), (4, 64970080), (5, 51976064), (7, 37125760), (8, 32485040), (10, 25988032), (14, 18562880), (16, 16242520), (20, 12994016), (28, 9281440), (32, 8121260), (35, 7425152), (40, 6497008), (49, 5303680), (56, 4640720), (64, 4060630), (70, 3712576), (80, 3248504), (98, 2651840), (112, 2320360), (128, 2030315), (140, 1856288), (160, 1624252), (196, 1325920), (224, 1160180), (245, 1060736), (280, 928144), (320, 812126), (392, 662960), (448, 580090), (490, 530368), (560, 464072), (640, 406063), (784, 331480), (896, 290045), (980, 265184), (1120, 232036), (1568, 165740), (1960, 132592), (2240, 116018), (3136, 82870), (3920, 66296), (4480, 58009), (6272, 41435), (7840, 33148), (8287, 31360), (15680, 16574)]