25643340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1307}}^1$

素因数の和:1431

約数の個数: 72

約数和(自身を含む): 78558480

約数和(自身を除く): 52915140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 545, 654, 981, 1090, 1307, 1308, 1635, 1962, 2180, 2614, 3270, 3921, 3924, 4905, 5228, 6535, 6540, 7842, 9810, 11763, 13070, 15684, 19605, 19620, 23526, 26140, 39210, 47052, 58815, 78420, 117630, 142463, 235260, 284926, 427389, 569852, 712315, 854778, 1282167, 1424630, 1709556, 2136945, 2564334, 2849260, 4273890, 5128668, 6410835, 8547780, 12821670, 25643340]

約数ペア:

[(1, 25643340), (2, 12821670), (3, 8547780), (4, 6410835), (5, 5128668), (6, 4273890), (9, 2849260), (10, 2564334), (12, 2136945), (15, 1709556), (18, 1424630), (20, 1282167), (30, 854778), (36, 712315), (45, 569852), (60, 427389), (90, 284926), (109, 235260), (180, 142463), (218, 117630), (327, 78420), (436, 58815), (545, 47052), (654, 39210), (981, 26140), (1090, 23526), (1307, 19620), (1308, 19605), (1635, 15684), (1962, 13070), (2180, 11763), (2614, 9810), (3270, 7842), (3921, 6540), (3924, 6535), (4905, 5228)]