31154940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2371}}^1$

素因数の和:2459

約数の個数: 72

約数和(自身を含む): 95838288

約数和(自身を除く): 64683348

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 73, 90, 146, 180, 219, 292, 365, 438, 657, 730, 876, 1095, 1314, 1460, 2190, 2371, 2628, 3285, 4380, 4742, 6570, 7113, 9484, 11855, 13140, 14226, 21339, 23710, 28452, 35565, 42678, 47420, 71130, 85356, 106695, 142260, 173083, 213390, 346166, 426780, 519249, 692332, 865415, 1038498, 1557747, 1730830, 2076996, 2596245, 3115494, 3461660, 5192490, 6230988, 7788735, 10384980, 15577470, 31154940]

約数ペア:

[(1, 31154940), (2, 15577470), (3, 10384980), (4, 7788735), (5, 6230988), (6, 5192490), (9, 3461660), (10, 3115494), (12, 2596245), (15, 2076996), (18, 1730830), (20, 1557747), (30, 1038498), (36, 865415), (45, 692332), (60, 519249), (73, 426780), (90, 346166), (146, 213390), (180, 173083), (219, 142260), (292, 106695), (365, 85356), (438, 71130), (657, 47420), (730, 42678), (876, 35565), (1095, 28452), (1314, 23710), (1460, 21339), (2190, 14226), (2371, 13140), (2628, 11855), (3285, 9484), (4380, 7113), (4742, 6570)]