1680931448

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:445

約数の個数: 128

約数和(自身を含む): 3894912000

約数和(自身を除く): 2213980552

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 41, 46, 56, 82, 92, 139, 161, 164, 184, 229, 278, 287, 322, 328, 458, 556, 574, 644, 916, 943, 973, 1112, 1148, 1288, 1603, 1832, 1886, 1946, 2296, 3197, 3206, 3772, 3892, 5267, 5699, 6394, 6412, 6601, 7544, 7784, 9389, 10534, 11398, 12788, 12824, 13202, 18778, 21068, 22379, 22796, 25576, 26404, 31831, 36869, 37556, 39893, 42136, 44758, 45592, 52808, 63662, 65723, 73738, 75112, 79786, 89516, 127324, 131077, 131446, 147476, 159572, 179032, 215947, 222817, 254648, 262154, 262892, 294952, 319144, 431894, 445634, 524308, 525784, 732113, 863788, 891268, 917539, 1048616, 1305071, 1464226, 1511629, 1727576, 1782536, 1835078, 2610142, 2928452, 3023258, 3670156, 5124791, 5220284, 5856904, 6046516, 7340312, 9135497, 10249582, 10440568, 12093032, 18270994, 20499164, 30016633, 36541988, 40998328, 60033266, 73083976, 120066532, 210116431, 240133064, 420232862, 840465724, 1680931448]

約数ペア:

[(1, 1680931448), (2, 840465724), (4, 420232862), (7, 240133064), (8, 210116431), (14, 120066532), (23, 73083976), (28, 60033266), (41, 40998328), (46, 36541988), (56, 30016633), (82, 20499164), (92, 18270994), (139, 12093032), (161, 10440568), (164, 10249582), (184, 9135497), (229, 7340312), (278, 6046516), (287, 5856904), (322, 5220284), (328, 5124791), (458, 3670156), (556, 3023258), (574, 2928452), (644, 2610142), (916, 1835078), (943, 1782536), (973, 1727576), (1112, 1511629), (1148, 1464226), (1288, 1305071), (1603, 1048616), (1832, 917539), (1886, 891268), (1946, 863788), (2296, 732113), (3197, 525784), (3206, 524308), (3772, 445634), (3892, 431894), (5267, 319144), (5699, 294952), (6394, 262892), (6412, 262154), (6601, 254648), (7544, 222817), (7784, 215947), (9389, 179032), (10534, 159572), (11398, 147476), (12788, 131446), (12824, 131077), (13202, 127324), (18778, 89516), (21068, 79786), (22379, 75112), (22796, 73738), (25576, 65723), (26404, 63662), (31831, 52808), (36869, 45592), (37556, 44758), (39893, 42136)]