51716560

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:273

約数の個数: 120

約数和(自身を含む): 142490880

約数和(自身を除く): 90774320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 79, 80, 98, 112, 140, 158, 167, 196, 245, 280, 316, 334, 392, 395, 490, 553, 560, 632, 668, 784, 790, 835, 980, 1106, 1169, 1264, 1336, 1580, 1670, 1960, 2212, 2338, 2672, 2765, 3160, 3340, 3871, 3920, 4424, 4676, 5530, 5845, 6320, 6680, 7742, 8183, 8848, 9352, 11060, 11690, 13193, 13360, 15484, 16366, 18704, 19355, 22120, 23380, 26386, 30968, 32732, 38710, 40915, 44240, 46760, 52772, 61936, 65464, 65965, 77420, 81830, 92351, 93520, 105544, 130928, 131930, 154840, 163660, 184702, 211088, 263860, 309680, 327320, 369404, 461755, 527720, 646457, 654640, 738808, 923510, 1055440, 1292914, 1477616, 1847020, 2585828, 3232285, 3694040, 5171656, 6464570, 7388080, 10343312, 12929140, 25858280, 51716560]

約数ペア:

[(1, 51716560), (2, 25858280), (4, 12929140), (5, 10343312), (7, 7388080), (8, 6464570), (10, 5171656), (14, 3694040), (16, 3232285), (20, 2585828), (28, 1847020), (35, 1477616), (40, 1292914), (49, 1055440), (56, 923510), (70, 738808), (79, 654640), (80, 646457), (98, 527720), (112, 461755), (140, 369404), (158, 327320), (167, 309680), (196, 263860), (245, 211088), (280, 184702), (316, 163660), (334, 154840), (392, 131930), (395, 130928), (490, 105544), (553, 93520), (560, 92351), (632, 81830), (668, 77420), (784, 65965), (790, 65464), (835, 61936), (980, 52772), (1106, 46760), (1169, 44240), (1264, 40915), (1336, 38710), (1580, 32732), (1670, 30968), (1960, 26386), (2212, 23380), (2338, 22120), (2672, 19355), (2765, 18704), (3160, 16366), (3340, 15484), (3871, 13360), (3920, 13193), (4424, 11690), (4676, 11060), (5530, 9352), (5845, 8848), (6320, 8183), (6680, 7742)]