27890820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1741}}^1$

素因数の和:1845

約数の個数: 72

約数和(自身を含む): 85601880

約数和(自身を除く): 57711060

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, 1741, 1780, 2670, 3204, 3482, 4005, 5223, 5340, 6964, 8010, 8705, 10446, 15669, 16020, 17410, 20892, 26115, 31338, 34820, 52230, 62676, 78345, 104460, 154949, 156690, 309898, 313380, 464847, 619796, 774745, 929694, 1394541, 1549490, 1859388, 2324235, 2789082, 3098980, 4648470, 5578164, 6972705, 9296940, 13945410, 27890820]

約数ペア:

[(1, 27890820), (2, 13945410), (3, 9296940), (4, 6972705), (5, 5578164), (6, 4648470), (9, 3098980), (10, 2789082), (12, 2324235), (15, 1859388), (18, 1549490), (20, 1394541), (30, 929694), (36, 774745), (45, 619796), (60, 464847), (89, 313380), (90, 309898), (178, 156690), (180, 154949), (267, 104460), (356, 78345), (445, 62676), (534, 52230), (801, 34820), (890, 31338), (1068, 26115), (1335, 20892), (1602, 17410), (1741, 16020), (1780, 15669), (2670, 10446), (3204, 8705), (3482, 8010), (4005, 6964), (5223, 5340)]