25968420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1621}}^1$

素因数の和:1725

約数の個数: 72

約数和(自身を含む): 79705080

約数和(自身を除く): 53736660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 1068, 1335, 1602, 1621, 1780, 2670, 3204, 3242, 4005, 4863, 5340, 6484, 8010, 8105, 9726, 14589, 16020, 16210, 19452, 24315, 29178, 32420, 48630, 58356, 72945, 97260, 144269, 145890, 288538, 291780, 432807, 577076, 721345, 865614, 1298421, 1442690, 1731228, 2164035, 2596842, 2885380, 4328070, 5193684, 6492105, 8656140, 12984210, 25968420]

約数ペア:

[(1, 25968420), (2, 12984210), (3, 8656140), (4, 6492105), (5, 5193684), (6, 4328070), (9, 2885380), (10, 2596842), (12, 2164035), (15, 1731228), (18, 1442690), (20, 1298421), (30, 865614), (36, 721345), (45, 577076), (60, 432807), (89, 291780), (90, 288538), (178, 145890), (180, 144269), (267, 97260), (356, 72945), (445, 58356), (534, 48630), (801, 32420), (890, 29178), (1068, 24315), (1335, 19452), (1602, 16210), (1621, 16020), (1780, 14589), (2670, 9726), (3204, 8105), (3242, 8010), (4005, 6484), (4863, 5340)]