1556553520

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{439}}^1$

素因数の和:563

約数の個数: 160

約数和(自身を含む): 3959746560

約数和(自身を除く): 2403193040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 41, 46, 47, 80, 82, 92, 94, 115, 164, 184, 188, 205, 230, 235, 328, 368, 376, 410, 439, 460, 470, 656, 752, 820, 878, 920, 940, 943, 1081, 1640, 1756, 1840, 1880, 1886, 1927, 2162, 2195, 3280, 3512, 3760, 3772, 3854, 4324, 4390, 4715, 5405, 7024, 7544, 7708, 8648, 8780, 9430, 9635, 10097, 10810, 15088, 15416, 17296, 17560, 17999, 18860, 19270, 20194, 20633, 21620, 30832, 35120, 35998, 37720, 38540, 40388, 41266, 43240, 44321, 50485, 71996, 75440, 77080, 80776, 82532, 86480, 88642, 89995, 100970, 103165, 143992, 154160, 161552, 165064, 177284, 179990, 201940, 206330, 221605, 287984, 330128, 354568, 359980, 403880, 412660, 413977, 443210, 474559, 709136, 719960, 807760, 825320, 827954, 845953, 886420, 949118, 1439920, 1650640, 1655908, 1691906, 1772840, 1898236, 2069885, 2372795, 3311816, 3383812, 3545680, 3796472, 4139770, 4229765, 4745590, 6623632, 6767624, 7592944, 8279540, 8459530, 9491180, 13535248, 16559080, 16919060, 18982360, 19456919, 33118160, 33838120, 37964720, 38913838, 67676240, 77827676, 97284595, 155655352, 194569190, 311310704, 389138380, 778276760, 1556553520]

約数ペア:

[(1, 1556553520), (2, 778276760), (4, 389138380), (5, 311310704), (8, 194569190), (10, 155655352), (16, 97284595), (20, 77827676), (23, 67676240), (40, 38913838), (41, 37964720), (46, 33838120), (47, 33118160), (80, 19456919), (82, 18982360), (92, 16919060), (94, 16559080), (115, 13535248), (164, 9491180), (184, 8459530), (188, 8279540), (205, 7592944), (230, 6767624), (235, 6623632), (328, 4745590), (368, 4229765), (376, 4139770), (410, 3796472), (439, 3545680), (460, 3383812), (470, 3311816), (656, 2372795), (752, 2069885), (820, 1898236), (878, 1772840), (920, 1691906), (940, 1655908), (943, 1650640), (1081, 1439920), (1640, 949118), (1756, 886420), (1840, 845953), (1880, 827954), (1886, 825320), (1927, 807760), (2162, 719960), (2195, 709136), (3280, 474559), (3512, 443210), (3760, 413977), (3772, 412660), (3854, 403880), (4324, 359980), (4390, 354568), (4715, 330128), (5405, 287984), (7024, 221605), (7544, 206330), (7708, 201940), (8648, 179990), (8780, 177284), (9430, 165064), (9635, 161552), (10097, 154160), (10810, 143992), (15088, 103165), (15416, 100970), (17296, 89995), (17560, 88642), (17999, 86480), (18860, 82532), (19270, 80776), (20194, 77080), (20633, 75440), (21620, 71996), (30832, 50485), (35120, 44321), (35998, 43240), (37720, 41266), (38540, 40388)]