280824160

素因数分解:

$2^5\times 5^1\times {\mathrm{359}}^1\times {\mathrm{4889}}^1$

素因数の和:5263

約数の個数: 48

約数和(自身を含む): 665431200

約数和(自身を除く): 384607040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 359, 718, 1436, 1795, 2872, 3590, 4889, 5744, 7180, 9778, 11488, 14360, 19556, 24445, 28720, 39112, 48890, 57440, 78224, 97780, 156448, 195560, 391120, 782240, 1755151, 3510302, 7020604, 8775755, 14041208, 17551510, 28082416, 35103020, 56164832, 70206040, 140412080, 280824160]

約数ペア:

[(1, 280824160), (2, 140412080), (4, 70206040), (5, 56164832), (8, 35103020), (10, 28082416), (16, 17551510), (20, 14041208), (32, 8775755), (40, 7020604), (80, 3510302), (160, 1755151), (359, 782240), (718, 391120), (1436, 195560), (1795, 156448), (2872, 97780), (3590, 78224), (4889, 57440), (5744, 48890), (7180, 39112), (9778, 28720), (11488, 24445), (14360, 19556)]