81113160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{2693}}^1$

素因数の和:2958

約数の個数: 64

約数和(自身を含む): 244399680

約数和(自身を除く): 163286520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 251, 502, 753, 1004, 1255, 1506, 2008, 2510, 2693, 3012, 3765, 5020, 5386, 6024, 7530, 8079, 10040, 10772, 13465, 15060, 16158, 21544, 26930, 30120, 32316, 40395, 53860, 64632, 80790, 107720, 161580, 323160, 675943, 1351886, 2027829, 2703772, 3379715, 4055658, 5407544, 6759430, 8111316, 10139145, 13518860, 16222632, 20278290, 27037720, 40556580, 81113160]

約数ペア:

[(1, 81113160), (2, 40556580), (3, 27037720), (4, 20278290), (5, 16222632), (6, 13518860), (8, 10139145), (10, 8111316), (12, 6759430), (15, 5407544), (20, 4055658), (24, 3379715), (30, 2703772), (40, 2027829), (60, 1351886), (120, 675943), (251, 323160), (502, 161580), (753, 107720), (1004, 80790), (1255, 64632), (1506, 53860), (2008, 40395), (2510, 32316), (2693, 30120), (3012, 26930), (3765, 21544), (5020, 16158), (5386, 15060), (6024, 13465), (7530, 10772), (8079, 10040)]