15668570720

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{503}}^1\times {\mathrm{1609}}^1$

素因数の和:2149

約数の個数: 144

約数和(自身を含む): 40794334560

約数和(自身を除く): 25125763840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 503, 605, 880, 968, 1006, 1210, 1609, 1760, 1936, 2012, 2420, 2515, 3218, 3872, 4024, 4840, 5030, 5533, 6436, 8045, 8048, 9680, 10060, 11066, 12872, 16090, 16096, 17699, 19360, 20120, 22132, 25744, 27665, 32180, 35398, 40240, 44264, 51488, 55330, 60863, 64360, 70796, 80480, 88495, 88528, 110660, 121726, 128720, 141592, 176990, 177056, 194689, 221320, 243452, 257440, 283184, 304315, 353980, 389378, 442640, 486904, 566368, 608630, 707960, 778756, 809327, 885280, 973445, 973808, 1217260, 1415920, 1557512, 1618654, 1946890, 1947616, 2434520, 2831840, 3115024, 3237308, 3893780, 4046635, 4869040, 6230048, 6474616, 7787560, 8093270, 8902597, 9738080, 12949232, 15575120, 16186540, 17805194, 25898464, 31150240, 32373080, 35610388, 44512985, 64746160, 71220776, 89025970, 97928567, 129492320, 142441552, 178051940, 195857134, 284883104, 356103880, 391714268, 489642835, 712207760, 783428536, 979285670, 1424415520, 1566857072, 1958571340, 3133714144, 3917142680, 7834285360, 15668570720]

約数ペア:

[(1, 15668570720), (2, 7834285360), (4, 3917142680), (5, 3133714144), (8, 1958571340), (10, 1566857072), (11, 1424415520), (16, 979285670), (20, 783428536), (22, 712207760), (32, 489642835), (40, 391714268), (44, 356103880), (55, 284883104), (80, 195857134), (88, 178051940), (110, 142441552), (121, 129492320), (160, 97928567), (176, 89025970), (220, 71220776), (242, 64746160), (352, 44512985), (440, 35610388), (484, 32373080), (503, 31150240), (605, 25898464), (880, 17805194), (968, 16186540), (1006, 15575120), (1210, 12949232), (1609, 9738080), (1760, 8902597), (1936, 8093270), (2012, 7787560), (2420, 6474616), (2515, 6230048), (3218, 4869040), (3872, 4046635), (4024, 3893780), (4840, 3237308), (5030, 3115024), (5533, 2831840), (6436, 2434520), (8045, 1947616), (8048, 1946890), (9680, 1618654), (10060, 1557512), (11066, 1415920), (12872, 1217260), (16090, 973808), (16096, 973445), (17699, 885280), (19360, 809327), (20120, 778756), (22132, 707960), (25744, 608630), (27665, 566368), (32180, 486904), (35398, 442640), (40240, 389378), (44264, 353980), (51488, 304315), (55330, 283184), (60863, 257440), (64360, 243452), (70796, 221320), (80480, 194689), (88495, 177056), (88528, 176990), (110660, 141592), (121726, 128720)]