55616580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1231}}^1$

素因数の和:1497

約数の個数: 72

約数和(自身を含む): 169513344

約数和(自身を除く): 113896764

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 251, 502, 753, 1004, 1231, 1255, 1506, 2259, 2462, 2510, 3012, 3693, 3765, 4518, 4924, 5020, 6155, 7386, 7530, 9036, 11079, 11295, 12310, 14772, 15060, 18465, 22158, 22590, 24620, 36930, 44316, 45180, 55395, 73860, 110790, 221580, 308981, 617962, 926943, 1235924, 1544905, 1853886, 2780829, 3089810, 3707772, 4634715, 5561658, 6179620, 9269430, 11123316, 13904145, 18538860, 27808290, 55616580]

約数ペア:

[(1, 55616580), (2, 27808290), (3, 18538860), (4, 13904145), (5, 11123316), (6, 9269430), (9, 6179620), (10, 5561658), (12, 4634715), (15, 3707772), (18, 3089810), (20, 2780829), (30, 1853886), (36, 1544905), (45, 1235924), (60, 926943), (90, 617962), (180, 308981), (251, 221580), (502, 110790), (753, 73860), (1004, 55395), (1231, 45180), (1255, 44316), (1506, 36930), (2259, 24620), (2462, 22590), (2510, 22158), (3012, 18465), (3693, 15060), (3765, 14772), (4518, 12310), (4924, 11295), (5020, 11079), (6155, 9036), (7386, 7530)]