90561520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{161717}}^1$

素因数の和:161737

約数の個数: 40

約数和(自身を含む): 240636384

約数和(自身を除く): 150074864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 161717, 323434, 646868, 808585, 1132019, 1293736, 1617170, 2264038, 2587472, 3234340, 4528076, 5660095, 6468680, 9056152, 11320190, 12937360, 18112304, 22640380, 45280760, 90561520]

約数ペア:

[(1, 90561520), (2, 45280760), (4, 22640380), (5, 18112304), (7, 12937360), (8, 11320190), (10, 9056152), (14, 6468680), (16, 5660095), (20, 4528076), (28, 3234340), (35, 2587472), (40, 2264038), (56, 1617170), (70, 1293736), (80, 1132019), (112, 808585), (140, 646868), (280, 323434), (560, 161717)]