8071280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:127

約数の個数: 120

約数和(自身を含む): 22900320

約数和(自身を除く): 14829040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 49, 56, 58, 70, 71, 80, 98, 112, 116, 140, 142, 145, 196, 203, 232, 245, 280, 284, 290, 355, 392, 406, 464, 490, 497, 560, 568, 580, 710, 784, 812, 980, 994, 1015, 1136, 1160, 1420, 1421, 1624, 1960, 1988, 2030, 2059, 2320, 2485, 2840, 2842, 3248, 3479, 3920, 3976, 4060, 4118, 4970, 5680, 5684, 6958, 7105, 7952, 8120, 8236, 9940, 10295, 11368, 13916, 14210, 14413, 16240, 16472, 17395, 19880, 20590, 22736, 27832, 28420, 28826, 32944, 34790, 39760, 41180, 55664, 56840, 57652, 69580, 72065, 82360, 100891, 113680, 115304, 139160, 144130, 164720, 201782, 230608, 278320, 288260, 403564, 504455, 576520, 807128, 1008910, 1153040, 1614256, 2017820, 4035640, 8071280]

約数ペア:

[(1, 8071280), (2, 4035640), (4, 2017820), (5, 1614256), (7, 1153040), (8, 1008910), (10, 807128), (14, 576520), (16, 504455), (20, 403564), (28, 288260), (29, 278320), (35, 230608), (40, 201782), (49, 164720), (56, 144130), (58, 139160), (70, 115304), (71, 113680), (80, 100891), (98, 82360), (112, 72065), (116, 69580), (140, 57652), (142, 56840), (145, 55664), (196, 41180), (203, 39760), (232, 34790), (245, 32944), (280, 28826), (284, 28420), (290, 27832), (355, 22736), (392, 20590), (406, 19880), (464, 17395), (490, 16472), (497, 16240), (560, 14413), (568, 14210), (580, 13916), (710, 11368), (784, 10295), (812, 9940), (980, 8236), (994, 8120), (1015, 7952), (1136, 7105), (1160, 6958), (1420, 5684), (1421, 5680), (1624, 4970), (1960, 4118), (1988, 4060), (2030, 3976), (2059, 3920), (2320, 3479), (2485, 3248), (2840, 2842)]