1780821666

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{5209}}^1$

素因数の和:5720

約数の個数: 64

約数和(自身を含む): 4271366400

約数和(自身を除く): 2490544734

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 487, 702, 974, 1461, 2922, 4383, 5209, 6331, 8766, 10418, 12662, 13149, 15627, 18993, 26298, 31254, 37986, 46881, 56979, 67717, 93762, 113958, 135434, 140643, 170937, 203151, 281286, 341874, 406302, 609453, 1218906, 1828359, 2536783, 3656718, 5073566, 7610349, 15220698, 22831047, 32978179, 45662094, 65956358, 68493141, 98934537, 136986282, 197869074, 296803611, 593607222, 890410833, 1780821666]

約数ペア:

[(1, 1780821666), (2, 890410833), (3, 593607222), (6, 296803611), (9, 197869074), (13, 136986282), (18, 98934537), (26, 68493141), (27, 65956358), (39, 45662094), (54, 32978179), (78, 22831047), (117, 15220698), (234, 7610349), (351, 5073566), (487, 3656718), (702, 2536783), (974, 1828359), (1461, 1218906), (2922, 609453), (4383, 406302), (5209, 341874), (6331, 281286), (8766, 203151), (10418, 170937), (12662, 140643), (13149, 135434), (15627, 113958), (18993, 93762), (26298, 67717), (31254, 56979), (37986, 46881)]