77968240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4801}}^1$

素因数の和:4850

約数の個数: 80

約数和(自身を含む): 214361280

約数和(自身を除く): 136393040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 203, 232, 280, 290, 406, 464, 560, 580, 812, 1015, 1160, 1624, 2030, 2320, 3248, 4060, 4801, 8120, 9602, 16240, 19204, 24005, 33607, 38408, 48010, 67214, 76816, 96020, 134428, 139229, 168035, 192040, 268856, 278458, 336070, 384080, 537712, 556916, 672140, 696145, 974603, 1113832, 1344280, 1392290, 1949206, 2227664, 2688560, 2784580, 3898412, 4873015, 5569160, 7796824, 9746030, 11138320, 15593648, 19492060, 38984120, 77968240]

約数ペア:

[(1, 77968240), (2, 38984120), (4, 19492060), (5, 15593648), (7, 11138320), (8, 9746030), (10, 7796824), (14, 5569160), (16, 4873015), (20, 3898412), (28, 2784580), (29, 2688560), (35, 2227664), (40, 1949206), (56, 1392290), (58, 1344280), (70, 1113832), (80, 974603), (112, 696145), (116, 672140), (140, 556916), (145, 537712), (203, 384080), (232, 336070), (280, 278458), (290, 268856), (406, 192040), (464, 168035), (560, 139229), (580, 134428), (812, 96020), (1015, 76816), (1160, 67214), (1624, 48010), (2030, 38408), (2320, 33607), (3248, 24005), (4060, 19204), (4801, 16240), (8120, 9602)]