1578903568720

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{359}}^1\times {\mathrm{395509}}^1$

素因数の和:396020

約数の個数: 80

約数和(自身を含む): 3707668944000

約数和(自身を除く): 2128765375280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 359, 556, 695, 718, 1112, 1390, 1436, 1795, 2224, 2780, 2872, 3590, 5560, 5744, 7180, 11120, 14360, 28720, 49901, 99802, 199604, 249505, 395509, 399208, 499010, 791018, 798416, 998020, 1582036, 1977545, 1996040, 3164072, 3955090, 3992080, 6328144, 7910180, 15820360, 31640720, 54975751, 109951502, 141987731, 219903004, 274878755, 283975462, 439806008, 549757510, 567950924, 709938655, 879612016, 1099515020, 1135901848, 1419877310, 2199030040, 2271803696, 2839754620, 4398060080, 5679509240, 11359018480, 19736294609, 39472589218, 78945178436, 98681473045, 157890356872, 197362946090, 315780713744, 394725892180, 789451784360, 1578903568720]

約数ペア:

[(1, 1578903568720), (2, 789451784360), (4, 394725892180), (5, 315780713744), (8, 197362946090), (10, 157890356872), (16, 98681473045), (20, 78945178436), (40, 39472589218), (80, 19736294609), (139, 11359018480), (278, 5679509240), (359, 4398060080), (556, 2839754620), (695, 2271803696), (718, 2199030040), (1112, 1419877310), (1390, 1135901848), (1436, 1099515020), (1795, 879612016), (2224, 709938655), (2780, 567950924), (2872, 549757510), (3590, 439806008), (5560, 283975462), (5744, 274878755), (7180, 219903004), (11120, 141987731), (14360, 109951502), (28720, 54975751), (49901, 31640720), (99802, 15820360), (199604, 7910180), (249505, 6328144), (395509, 3992080), (399208, 3955090), (499010, 3164072), (791018, 1996040), (798416, 1977545), (998020, 1582036)]