15978528

素因数分解:

$2^5\times 3^2\times {\mathrm{109}}^1\times {\mathrm{509}}^1$

素因数の和:634

約数の個数: 72

約数和(自身を含む): 45945900

約数和(自身を除く): 29967372

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 109, 144, 218, 288, 327, 436, 509, 654, 872, 981, 1018, 1308, 1527, 1744, 1962, 2036, 2616, 3054, 3488, 3924, 4072, 4581, 5232, 6108, 7848, 8144, 9162, 10464, 12216, 15696, 16288, 18324, 24432, 31392, 36648, 48864, 55481, 73296, 110962, 146592, 166443, 221924, 332886, 443848, 499329, 665772, 887696, 998658, 1331544, 1775392, 1997316, 2663088, 3994632, 5326176, 7989264, 15978528]

約数ペア:

[(1, 15978528), (2, 7989264), (3, 5326176), (4, 3994632), (6, 2663088), (8, 1997316), (9, 1775392), (12, 1331544), (16, 998658), (18, 887696), (24, 665772), (32, 499329), (36, 443848), (48, 332886), (72, 221924), (96, 166443), (109, 146592), (144, 110962), (218, 73296), (288, 55481), (327, 48864), (436, 36648), (509, 31392), (654, 24432), (872, 18324), (981, 16288), (1018, 15696), (1308, 12216), (1527, 10464), (1744, 9162), (1962, 8144), (2036, 7848), (2616, 6108), (3054, 5232), (3488, 4581), (3924, 4072)]