2680771880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:451

約数の個数: 128

約数和(自身を含む): 6359592960

約数和(自身を除く): 3678821080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 61, 82, 122, 127, 164, 205, 211, 244, 254, 305, 328, 410, 422, 488, 508, 610, 635, 820, 844, 1016, 1055, 1220, 1270, 1640, 1688, 2110, 2440, 2501, 2540, 4220, 5002, 5080, 5207, 7747, 8440, 8651, 10004, 10414, 12505, 12871, 15494, 17302, 20008, 20828, 25010, 25742, 26035, 26797, 30988, 34604, 38735, 41656, 43255, 50020, 51484, 52070, 53594, 61976, 64355, 69208, 77470, 86510, 100040, 102968, 104140, 107188, 128710, 133985, 154940, 173020, 208280, 214376, 257420, 267970, 309880, 317627, 346040, 514840, 527711, 535940, 635254, 1055422, 1071880, 1098677, 1270508, 1588135, 1634617, 2110844, 2197354, 2541016, 2638555, 3176270, 3269234, 4221688, 4394708, 5277110, 5493385, 6352540, 6538468, 8173085, 8789416, 10554220, 10986770, 12705080, 13076936, 16346170, 21108440, 21973540, 32692340, 43947080, 65384680, 67019297, 134038594, 268077188, 335096485, 536154376, 670192970, 1340385940, 2680771880]

約数ペア:

[(1, 2680771880), (2, 1340385940), (4, 670192970), (5, 536154376), (8, 335096485), (10, 268077188), (20, 134038594), (40, 67019297), (41, 65384680), (61, 43947080), (82, 32692340), (122, 21973540), (127, 21108440), (164, 16346170), (205, 13076936), (211, 12705080), (244, 10986770), (254, 10554220), (305, 8789416), (328, 8173085), (410, 6538468), (422, 6352540), (488, 5493385), (508, 5277110), (610, 4394708), (635, 4221688), (820, 3269234), (844, 3176270), (1016, 2638555), (1055, 2541016), (1220, 2197354), (1270, 2110844), (1640, 1634617), (1688, 1588135), (2110, 1270508), (2440, 1098677), (2501, 1071880), (2540, 1055422), (4220, 635254), (5002, 535940), (5080, 527711), (5207, 514840), (7747, 346040), (8440, 317627), (8651, 309880), (10004, 267970), (10414, 257420), (12505, 214376), (12871, 208280), (15494, 173020), (17302, 154940), (20008, 133985), (20828, 128710), (25010, 107188), (25742, 104140), (26035, 102968), (26797, 100040), (30988, 86510), (34604, 77470), (38735, 69208), (41656, 64355), (43255, 61976), (50020, 53594), (51484, 52070)]