1276479180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{99881}}^1$

素因数の和:99967

約数の個数: 72

約数和(自身を含む): 3926561184

約数和(自身を除く): 2650082004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 12780, 99881, 199762, 299643, 399524, 499405, 599286, 898929, 998810, 1198572, 1498215, 1797858, 1997620, 2996430, 3595716, 4494645, 5992860, 7091551, 8989290, 14183102, 17978580, 21274653, 28366204, 35457755, 42549306, 63823959, 70915510, 85098612, 106373265, 127647918, 141831020, 212746530, 255295836, 319119795, 425493060, 638239590, 1276479180]

約数ペア:

[(1, 1276479180), (2, 638239590), (3, 425493060), (4, 319119795), (5, 255295836), (6, 212746530), (9, 141831020), (10, 127647918), (12, 106373265), (15, 85098612), (18, 70915510), (20, 63823959), (30, 42549306), (36, 35457755), (45, 28366204), (60, 21274653), (71, 17978580), (90, 14183102), (142, 8989290), (180, 7091551), (213, 5992860), (284, 4494645), (355, 3595716), (426, 2996430), (639, 1997620), (710, 1797858), (852, 1498215), (1065, 1198572), (1278, 998810), (1420, 898929), (2130, 599286), (2556, 499405), (3195, 399524), (4260, 299643), (6390, 199762), (12780, 99881)]