145441520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{259717}}^1$

素因数の和:259737

約数の個数: 40

約数和(自身を含む): 386460384

約数和(自身を除く): 241018864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 259717, 519434, 1038868, 1298585, 1818019, 2077736, 2597170, 3636038, 4155472, 5194340, 7272076, 9090095, 10388680, 14544152, 18180190, 20777360, 29088304, 36360380, 72720760, 145441520]

約数ペア:

[(1, 145441520), (2, 72720760), (4, 36360380), (5, 29088304), (7, 20777360), (8, 18180190), (10, 14544152), (14, 10388680), (16, 9090095), (20, 7272076), (28, 5194340), (35, 4155472), (40, 3636038), (56, 2597170), (70, 2077736), (80, 1818019), (112, 1298585), (140, 1038868), (280, 519434), (560, 259717)]