131841180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{1439}}^1$

素因数の和:1963

約数の個数: 72

約数和(自身を含む): 400982400

約数和(自身を除く): 269141220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 509, 1018, 1439, 1527, 2036, 2545, 2878, 3054, 4317, 4581, 5090, 5756, 6108, 7195, 7635, 8634, 9162, 10180, 12951, 14390, 15270, 17268, 18324, 21585, 22905, 25902, 28780, 30540, 43170, 45810, 51804, 64755, 86340, 91620, 129510, 259020, 732451, 1464902, 2197353, 2929804, 3662255, 4394706, 6592059, 7324510, 8789412, 10986765, 13184118, 14649020, 21973530, 26368236, 32960295, 43947060, 65920590, 131841180]

約数ペア:

[(1, 131841180), (2, 65920590), (3, 43947060), (4, 32960295), (5, 26368236), (6, 21973530), (9, 14649020), (10, 13184118), (12, 10986765), (15, 8789412), (18, 7324510), (20, 6592059), (30, 4394706), (36, 3662255), (45, 2929804), (60, 2197353), (90, 1464902), (180, 732451), (509, 259020), (1018, 129510), (1439, 91620), (1527, 86340), (2036, 64755), (2545, 51804), (2878, 45810), (3054, 43170), (4317, 30540), (4581, 28780), (5090, 25902), (5756, 22905), (6108, 21585), (7195, 18324), (7635, 17268), (8634, 15270), (9162, 14390), (10180, 12951)]