73237640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{261563}}^1$

素因数の和:261581

約数の個数: 32

約数和(自身を含む): 188326080

約数和(自身を除く): 115088440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 261563, 523126, 1046252, 1307815, 1830941, 2092504, 2615630, 3661882, 5231260, 7323764, 9154705, 10462520, 14647528, 18309410, 36618820, 73237640]

約数ペア:

[(1, 73237640), (2, 36618820), (4, 18309410), (5, 14647528), (7, 10462520), (8, 9154705), (10, 7323764), (14, 5231260), (20, 3661882), (28, 2615630), (35, 2092504), (40, 1830941), (56, 1307815), (70, 1046252), (140, 523126), (280, 261563)]