1626557680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:435

約数の個数: 160

約数和(自身を含む): 4241746368

約数和(自身を除く): 2615188688

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 61, 80, 88, 110, 122, 157, 176, 193, 220, 244, 305, 314, 386, 440, 488, 610, 628, 671, 772, 785, 880, 965, 976, 1220, 1256, 1342, 1544, 1570, 1727, 1930, 2123, 2440, 2512, 2684, 3088, 3140, 3355, 3454, 3860, 4246, 4880, 5368, 6280, 6710, 6908, 7720, 8492, 8635, 9577, 10615, 10736, 11773, 12560, 13420, 13816, 15440, 16984, 17270, 19154, 21230, 23546, 26840, 27632, 30301, 33968, 34540, 38308, 42460, 47092, 47885, 53680, 58865, 60602, 69080, 76616, 84920, 94184, 95770, 105347, 117730, 121204, 129503, 138160, 151505, 153232, 169840, 188368, 191540, 210694, 235460, 242408, 259006, 303010, 333311, 383080, 421388, 470920, 484816, 518012, 526735, 606020, 647515, 666622, 766160, 842776, 941840, 1036024, 1053470, 1212040, 1295030, 1333244, 1666555, 1685552, 1848361, 2072048, 2106940, 2424080, 2590060, 2666488, 3333110, 3696722, 4213880, 5180120, 5332976, 6666220, 7393444, 8427760, 9241805, 10360240, 13332440, 14786888, 18483610, 20331971, 26664880, 29573776, 36967220, 40663942, 73934440, 81327884, 101659855, 147868880, 162655768, 203319710, 325311536, 406639420, 813278840, 1626557680]

約数ペア:

[(1, 1626557680), (2, 813278840), (4, 406639420), (5, 325311536), (8, 203319710), (10, 162655768), (11, 147868880), (16, 101659855), (20, 81327884), (22, 73934440), (40, 40663942), (44, 36967220), (55, 29573776), (61, 26664880), (80, 20331971), (88, 18483610), (110, 14786888), (122, 13332440), (157, 10360240), (176, 9241805), (193, 8427760), (220, 7393444), (244, 6666220), (305, 5332976), (314, 5180120), (386, 4213880), (440, 3696722), (488, 3333110), (610, 2666488), (628, 2590060), (671, 2424080), (772, 2106940), (785, 2072048), (880, 1848361), (965, 1685552), (976, 1666555), (1220, 1333244), (1256, 1295030), (1342, 1212040), (1544, 1053470), (1570, 1036024), (1727, 941840), (1930, 842776), (2123, 766160), (2440, 666622), (2512, 647515), (2684, 606020), (3088, 526735), (3140, 518012), (3355, 484816), (3454, 470920), (3860, 421388), (4246, 383080), (4880, 333311), (5368, 303010), (6280, 259006), (6710, 242408), (6908, 235460), (7720, 210694), (8492, 191540), (8635, 188368), (9577, 169840), (10615, 153232), (10736, 151505), (11773, 138160), (12560, 129503), (13420, 121204), (13816, 117730), (15440, 105347), (16984, 95770), (17270, 94184), (19154, 84920), (21230, 76616), (23546, 69080), (26840, 60602), (27632, 58865), (30301, 53680), (33968, 47885), (34540, 47092), (38308, 42460)]