680768556

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{239}}^1$

素因数の和:340

約数の個数: 144

約数和(自身を含む): 1868428800

約数和(自身を除く): 1187660244

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 31, 38, 39, 52, 57, 62, 76, 78, 93, 114, 124, 156, 186, 228, 239, 247, 372, 403, 478, 494, 589, 717, 741, 806, 956, 961, 988, 1178, 1209, 1434, 1482, 1612, 1767, 1922, 2356, 2418, 2868, 2883, 2964, 3107, 3534, 3844, 4541, 4836, 5766, 6214, 7068, 7409, 7657, 9082, 9321, 11532, 12428, 12493, 13623, 14818, 15314, 18164, 18259, 18642, 22227, 22971, 24986, 27246, 29636, 30628, 36518, 37284, 37479, 44454, 45942, 49972, 54492, 54777, 59033, 73036, 74958, 88908, 91884, 96317, 109554, 118066, 140771, 149916, 177099, 192634, 219108, 229679, 236132, 237367, 281542, 288951, 354198, 385268, 422313, 459358, 474734, 563084, 577902, 689037, 708396, 712101, 844626, 918716, 949468, 1155804, 1378074, 1424202, 1689252, 1830023, 2756148, 2848404, 2985827, 3660046, 4363901, 5490069, 5971654, 7320092, 8727802, 8957481, 10980138, 11943308, 13091703, 17455604, 17914962, 21960276, 26183406, 35829924, 52366812, 56730713, 113461426, 170192139, 226922852, 340384278, 680768556]

約数ペア:

[(1, 680768556), (2, 340384278), (3, 226922852), (4, 170192139), (6, 113461426), (12, 56730713), (13, 52366812), (19, 35829924), (26, 26183406), (31, 21960276), (38, 17914962), (39, 17455604), (52, 13091703), (57, 11943308), (62, 10980138), (76, 8957481), (78, 8727802), (93, 7320092), (114, 5971654), (124, 5490069), (156, 4363901), (186, 3660046), (228, 2985827), (239, 2848404), (247, 2756148), (372, 1830023), (403, 1689252), (478, 1424202), (494, 1378074), (589, 1155804), (717, 949468), (741, 918716), (806, 844626), (956, 712101), (961, 708396), (988, 689037), (1178, 577902), (1209, 563084), (1434, 474734), (1482, 459358), (1612, 422313), (1767, 385268), (1922, 354198), (2356, 288951), (2418, 281542), (2868, 237367), (2883, 236132), (2964, 229679), (3107, 219108), (3534, 192634), (3844, 177099), (4541, 149916), (4836, 140771), (5766, 118066), (6214, 109554), (7068, 96317), (7409, 91884), (7657, 88908), (9082, 74958), (9321, 73036), (11532, 59033), (12428, 54777), (12493, 54492), (13623, 49972), (14818, 45942), (15314, 44454), (18164, 37479), (18259, 37284), (18642, 36518), (22227, 30628), (22971, 29636), (24986, 27246)]