285810560

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{487}}^1$

素因数の和:644

約数の個数: 128

約数和(自身を含む): 788451840

約数和(自身を除く): 502641280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 131, 140, 160, 224, 262, 280, 320, 448, 487, 524, 560, 640, 655, 896, 917, 974, 1048, 1120, 1310, 1834, 1948, 2096, 2240, 2435, 2620, 3409, 3668, 3896, 4192, 4480, 4585, 4870, 5240, 6818, 7336, 7792, 8384, 9170, 9740, 10480, 13636, 14672, 15584, 16768, 17045, 18340, 19480, 20960, 27272, 29344, 31168, 34090, 36680, 38960, 41920, 54544, 58688, 62336, 63797, 68180, 73360, 77920, 83840, 109088, 117376, 127594, 136360, 146720, 155840, 218176, 255188, 272720, 293440, 311680, 318985, 436352, 446579, 510376, 545440, 586880, 637970, 893158, 1020752, 1090880, 1275940, 1786316, 2041504, 2181760, 2232895, 2551880, 3572632, 4083008, 4465790, 5103760, 7145264, 8166016, 8931580, 10207520, 14290528, 17863160, 20415040, 28581056, 35726320, 40830080, 57162112, 71452640, 142905280, 285810560]

約数ペア:

[(1, 285810560), (2, 142905280), (4, 71452640), (5, 57162112), (7, 40830080), (8, 35726320), (10, 28581056), (14, 20415040), (16, 17863160), (20, 14290528), (28, 10207520), (32, 8931580), (35, 8166016), (40, 7145264), (56, 5103760), (64, 4465790), (70, 4083008), (80, 3572632), (112, 2551880), (128, 2232895), (131, 2181760), (140, 2041504), (160, 1786316), (224, 1275940), (262, 1090880), (280, 1020752), (320, 893158), (448, 637970), (487, 586880), (524, 545440), (560, 510376), (640, 446579), (655, 436352), (896, 318985), (917, 311680), (974, 293440), (1048, 272720), (1120, 255188), (1310, 218176), (1834, 155840), (1948, 146720), (2096, 136360), (2240, 127594), (2435, 117376), (2620, 109088), (3409, 83840), (3668, 77920), (3896, 73360), (4192, 68180), (4480, 63797), (4585, 62336), (4870, 58688), (5240, 54544), (6818, 41920), (7336, 38960), (7792, 36680), (8384, 34090), (9170, 31168), (9740, 29344), (10480, 27272), (13636, 20960), (14672, 19480), (15584, 18340), (16768, 17045)]