71837540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1063}}^1$

素因数の和:1212

約数の個数: 48

約数和(自身を含む): 157301760

約数和(自身を除く): 85464220

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 109, 124, 155, 218, 310, 436, 545, 620, 1063, 1090, 2126, 2180, 3379, 4252, 5315, 6758, 10630, 13516, 16895, 21260, 32953, 33790, 65906, 67580, 115867, 131812, 164765, 231734, 329530, 463468, 579335, 659060, 1158670, 2317340, 3591877, 7183754, 14367508, 17959385, 35918770, 71837540]

約数ペア:

[(1, 71837540), (2, 35918770), (4, 17959385), (5, 14367508), (10, 7183754), (20, 3591877), (31, 2317340), (62, 1158670), (109, 659060), (124, 579335), (155, 463468), (218, 329530), (310, 231734), (436, 164765), (545, 131812), (620, 115867), (1063, 67580), (1090, 65906), (2126, 33790), (2180, 32953), (3379, 21260), (4252, 16895), (5315, 13516), (6758, 10630)]