1559608840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{239}}^1$

素因数の和:487

約数の個数: 128

約数和(自身を含む): 3788467200

約数和(自身を除く): 2228858360

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 41, 46, 82, 92, 115, 164, 173, 184, 205, 230, 239, 328, 346, 410, 460, 478, 692, 820, 865, 920, 943, 956, 1195, 1384, 1640, 1730, 1886, 1912, 2390, 3460, 3772, 3979, 4715, 4780, 5497, 6920, 7093, 7544, 7958, 9430, 9560, 9799, 10994, 14186, 15916, 18860, 19598, 19895, 21988, 27485, 28372, 31832, 35465, 37720, 39196, 39790, 41347, 43976, 48995, 54970, 56744, 70930, 78392, 79580, 82694, 97990, 109940, 141860, 159160, 163139, 165388, 195980, 206735, 219880, 225377, 283720, 326278, 330776, 391960, 413470, 450754, 652556, 815695, 826940, 901508, 950981, 1126885, 1305112, 1631390, 1653880, 1695227, 1803016, 1901962, 2253770, 3262780, 3390454, 3803924, 4507540, 4754905, 6525560, 6780908, 7607848, 8476135, 9015080, 9509810, 13561816, 16952270, 19019620, 33904540, 38039240, 38990221, 67809080, 77980442, 155960884, 194951105, 311921768, 389902210, 779804420, 1559608840]

約数ペア:

[(1, 1559608840), (2, 779804420), (4, 389902210), (5, 311921768), (8, 194951105), (10, 155960884), (20, 77980442), (23, 67809080), (40, 38990221), (41, 38039240), (46, 33904540), (82, 19019620), (92, 16952270), (115, 13561816), (164, 9509810), (173, 9015080), (184, 8476135), (205, 7607848), (230, 6780908), (239, 6525560), (328, 4754905), (346, 4507540), (410, 3803924), (460, 3390454), (478, 3262780), (692, 2253770), (820, 1901962), (865, 1803016), (920, 1695227), (943, 1653880), (956, 1631390), (1195, 1305112), (1384, 1126885), (1640, 950981), (1730, 901508), (1886, 826940), (1912, 815695), (2390, 652556), (3460, 450754), (3772, 413470), (3979, 391960), (4715, 330776), (4780, 326278), (5497, 283720), (6920, 225377), (7093, 219880), (7544, 206735), (7958, 195980), (9430, 165388), (9560, 163139), (9799, 159160), (10994, 141860), (14186, 109940), (15916, 97990), (18860, 82694), (19598, 79580), (19895, 78392), (21988, 70930), (27485, 56744), (28372, 54970), (31832, 48995), (35465, 43976), (37720, 41347), (39196, 39790)]