1385480320

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{309259}}^1$

素因数の和:309285

約数の個数: 64

約数和(自身を含む): 3785342400

約数和(自身を除く): 2399862080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 309259, 618518, 1237036, 1546295, 2164813, 2474072, 3092590, 4329626, 4948144, 6185180, 8659252, 9896288, 10824065, 12370360, 17318504, 19792576, 21648130, 24740720, 34637008, 39585152, 43296260, 49481440, 69274016, 86592520, 98962880, 138548032, 173185040, 197925760, 277096064, 346370080, 692740160, 1385480320]

約数ペア:

[(1, 1385480320), (2, 692740160), (4, 346370080), (5, 277096064), (7, 197925760), (8, 173185040), (10, 138548032), (14, 98962880), (16, 86592520), (20, 69274016), (28, 49481440), (32, 43296260), (35, 39585152), (40, 34637008), (56, 24740720), (64, 21648130), (70, 19792576), (80, 17318504), (112, 12370360), (128, 10824065), (140, 9896288), (160, 8659252), (224, 6185180), (280, 4948144), (320, 4329626), (448, 3092590), (560, 2474072), (640, 2164813), (896, 1546295), (1120, 1237036), (2240, 618518), (4480, 309259)]