77985040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{887}}^1$

素因数の和:1064

約数の個数: 80

約数和(自身を含む): 208772352

約数和(自身を除く): 130787312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 157, 280, 314, 560, 628, 785, 887, 1099, 1256, 1570, 1774, 2198, 2512, 3140, 3548, 4396, 4435, 5495, 6209, 6280, 7096, 8792, 8870, 10990, 12418, 12560, 14192, 17584, 17740, 21980, 24836, 31045, 35480, 43960, 49672, 62090, 70960, 87920, 99344, 124180, 139259, 248360, 278518, 496720, 557036, 696295, 974813, 1114072, 1392590, 1949626, 2228144, 2785180, 3899252, 4874065, 5570360, 7798504, 9748130, 11140720, 15597008, 19496260, 38992520, 77985040]

約数ペア:

[(1, 77985040), (2, 38992520), (4, 19496260), (5, 15597008), (7, 11140720), (8, 9748130), (10, 7798504), (14, 5570360), (16, 4874065), (20, 3899252), (28, 2785180), (35, 2228144), (40, 1949626), (56, 1392590), (70, 1114072), (80, 974813), (112, 696295), (140, 557036), (157, 496720), (280, 278518), (314, 248360), (560, 139259), (628, 124180), (785, 99344), (887, 87920), (1099, 70960), (1256, 62090), (1570, 49672), (1774, 43960), (2198, 35480), (2512, 31045), (3140, 24836), (3548, 21980), (4396, 17740), (4435, 17584), (5495, 14192), (6209, 12560), (6280, 12418), (7096, 10990), (8792, 8870)]