56907280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1291}}^1$

素因数の和:1352

約数の個数: 80

約数和(自身を含む): 144187200

約数和(自身を除く): 87279920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 38, 40, 58, 76, 80, 95, 116, 145, 152, 190, 232, 290, 304, 380, 464, 551, 580, 760, 1102, 1160, 1291, 1520, 2204, 2320, 2582, 2755, 4408, 5164, 5510, 6455, 8816, 10328, 11020, 12910, 20656, 22040, 24529, 25820, 37439, 44080, 49058, 51640, 74878, 98116, 103280, 122645, 149756, 187195, 196232, 245290, 299512, 374390, 392464, 490580, 599024, 711341, 748780, 981160, 1422682, 1497560, 1962320, 2845364, 2995120, 3556705, 5690728, 7113410, 11381456, 14226820, 28453640, 56907280]

約数ペア:

[(1, 56907280), (2, 28453640), (4, 14226820), (5, 11381456), (8, 7113410), (10, 5690728), (16, 3556705), (19, 2995120), (20, 2845364), (29, 1962320), (38, 1497560), (40, 1422682), (58, 981160), (76, 748780), (80, 711341), (95, 599024), (116, 490580), (145, 392464), (152, 374390), (190, 299512), (232, 245290), (290, 196232), (304, 187195), (380, 149756), (464, 122645), (551, 103280), (580, 98116), (760, 74878), (1102, 51640), (1160, 49058), (1291, 44080), (1520, 37439), (2204, 25820), (2320, 24529), (2582, 22040), (2755, 20656), (4408, 12910), (5164, 11020), (5510, 10328), (6455, 8816)]