320996816

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1567}}^1$

素因数の和:1672

約数の個数: 80

約数和(自身を含む): 746618880

約数和(自身を除く): 425622064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 59, 62, 112, 118, 124, 217, 236, 248, 413, 434, 472, 496, 826, 868, 944, 1567, 1652, 1736, 1829, 3134, 3304, 3472, 3658, 6268, 6608, 7316, 10969, 12536, 12803, 14632, 21938, 25072, 25606, 29264, 43876, 48577, 51212, 87752, 92453, 97154, 102424, 175504, 184906, 194308, 204848, 340039, 369812, 388616, 647171, 680078, 739624, 777232, 1294342, 1360156, 1479248, 2588684, 2720312, 2866043, 5177368, 5440624, 5732086, 10354736, 11464172, 20062301, 22928344, 40124602, 45856688, 80249204, 160498408, 320996816]

約数ペア:

[(1, 320996816), (2, 160498408), (4, 80249204), (7, 45856688), (8, 40124602), (14, 22928344), (16, 20062301), (28, 11464172), (31, 10354736), (56, 5732086), (59, 5440624), (62, 5177368), (112, 2866043), (118, 2720312), (124, 2588684), (217, 1479248), (236, 1360156), (248, 1294342), (413, 777232), (434, 739624), (472, 680078), (496, 647171), (826, 388616), (868, 369812), (944, 340039), (1567, 204848), (1652, 194308), (1736, 184906), (1829, 175504), (3134, 102424), (3304, 97154), (3472, 92453), (3658, 87752), (6268, 51212), (6608, 48577), (7316, 43876), (10969, 29264), (12536, 25606), (12803, 25072), (14632, 21938)]