91612720

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^2$

素因数の和:338

約数の個数: 60

約数和(自身を含む): 217713744

約数和(自身を除く): 126101024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 127, 142, 254, 284, 355, 508, 568, 635, 710, 1016, 1136, 1270, 1420, 2032, 2540, 2840, 5080, 5680, 9017, 10160, 16129, 18034, 32258, 36068, 45085, 64516, 72136, 80645, 90170, 129032, 144272, 161290, 180340, 258064, 322580, 360680, 645160, 721360, 1145159, 1290320, 2290318, 4580636, 5725795, 9161272, 11451590, 18322544, 22903180, 45806360, 91612720]

約数ペア:

[(1, 91612720), (2, 45806360), (4, 22903180), (5, 18322544), (8, 11451590), (10, 9161272), (16, 5725795), (20, 4580636), (40, 2290318), (71, 1290320), (80, 1145159), (127, 721360), (142, 645160), (254, 360680), (284, 322580), (355, 258064), (508, 180340), (568, 161290), (635, 144272), (710, 129032), (1016, 90170), (1136, 80645), (1270, 72136), (1420, 64516), (2032, 45085), (2540, 36068), (2840, 32258), (5080, 18034), (5680, 16129), (9017, 10160)]