91581560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{863}}^1$

素因数の和:1260

約数の個数: 64

約数和(自身を含む): 236390400

約数和(自身を除く): 144808840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 379, 758, 863, 1516, 1726, 1895, 2653, 3032, 3452, 3790, 4315, 5306, 6041, 6904, 7580, 8630, 10612, 12082, 13265, 15160, 17260, 21224, 24164, 26530, 30205, 34520, 48328, 53060, 60410, 106120, 120820, 241640, 327077, 654154, 1308308, 1635385, 2289539, 2616616, 3270770, 4579078, 6541540, 9158156, 11447695, 13083080, 18316312, 22895390, 45790780, 91581560]

約数ペア:

[(1, 91581560), (2, 45790780), (4, 22895390), (5, 18316312), (7, 13083080), (8, 11447695), (10, 9158156), (14, 6541540), (20, 4579078), (28, 3270770), (35, 2616616), (40, 2289539), (56, 1635385), (70, 1308308), (140, 654154), (280, 327077), (379, 241640), (758, 120820), (863, 106120), (1516, 60410), (1726, 53060), (1895, 48328), (2653, 34520), (3032, 30205), (3452, 26530), (3790, 24164), (4315, 21224), (5306, 17260), (6041, 15160), (6904, 13265), (7580, 12082), (8630, 10612)]