121558640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{217069}}^1$

素因数の和:217089

約数の個数: 40

約数和(自身を含む): 323000160

約数和(自身を除く): 201441520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 217069, 434138, 868276, 1085345, 1519483, 1736552, 2170690, 3038966, 3473104, 4341380, 6077932, 7597415, 8682760, 12155864, 15194830, 17365520, 24311728, 30389660, 60779320, 121558640]

約数ペア:

[(1, 121558640), (2, 60779320), (4, 30389660), (5, 24311728), (7, 17365520), (8, 15194830), (10, 12155864), (14, 8682760), (16, 7597415), (20, 6077932), (28, 4341380), (35, 3473104), (40, 3038966), (56, 2170690), (70, 1736552), (80, 1519483), (112, 1085345), (140, 868276), (280, 434138), (560, 217069)]