129771320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{1291}}^1$

素因数の和:1668

約数の個数: 64

約数和(自身を含む): 334886400

約数和(自身を除く): 205115080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 359, 718, 1291, 1436, 1795, 2513, 2582, 2872, 3590, 5026, 5164, 6455, 7180, 9037, 10052, 10328, 12565, 12910, 14360, 18074, 20104, 25130, 25820, 36148, 45185, 50260, 51640, 72296, 90370, 100520, 180740, 361480, 463469, 926938, 1853876, 2317345, 3244283, 3707752, 4634690, 6488566, 9269380, 12977132, 16221415, 18538760, 25954264, 32442830, 64885660, 129771320]

約数ペア:

[(1, 129771320), (2, 64885660), (4, 32442830), (5, 25954264), (7, 18538760), (8, 16221415), (10, 12977132), (14, 9269380), (20, 6488566), (28, 4634690), (35, 3707752), (40, 3244283), (56, 2317345), (70, 1853876), (140, 926938), (280, 463469), (359, 361480), (718, 180740), (1291, 100520), (1436, 90370), (1795, 72296), (2513, 51640), (2582, 50260), (2872, 45185), (3590, 36148), (5026, 25820), (5164, 25130), (6455, 20104), (7180, 18074), (9037, 14360), (10052, 12910), (10328, 12565)]