1245671280

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{563}}^1$

素因数の和:1028

約数の個数: 240

約数和(自身を含む): 4800407040

約数和(自身を除く): 3554735760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 439, 504, 560, 563, 630, 720, 840, 878, 1008, 1126, 1260, 1317, 1680, 1689, 1756, 2195, 2252, 2520, 2634, 2815, 3073, 3378, 3512, 3941, 3951, 4390, 4504, 5040, 5067, 5268, 5630, 6146, 6585, 6756, 7024, 7882, 7902, 8445, 8780, 9008, 9219, 10134, 10536, 11260, 11823, 12292, 13170, 13512, 15365, 15764, 15804, 16890, 17560, 18438, 19705, 19755, 20268, 21072, 22520, 23646, 24584, 25335, 26340, 27024, 27657, 30730, 31528, 31608, 33780, 35120, 35469, 36876, 39410, 39510, 40536, 45040, 46095, 47292, 49168, 50670, 52680, 55314, 59115, 61460, 63056, 63216, 67560, 70938, 73752, 78820, 79020, 81072, 92190, 94584, 101340, 105360, 110628, 118230, 122920, 135120, 138285, 141876, 147504, 157640, 158040, 177345, 184380, 189168, 202680, 221256, 236460, 245840, 247157, 276570, 283752, 315280, 316080, 354690, 368760, 405360, 442512, 472920, 494314, 553140, 567504, 709380, 737520, 741471, 945840, 988628, 1106280, 1235785, 1418760, 1482942, 1730099, 1977256, 2212560, 2224413, 2471570, 2837520, 2965884, 3460198, 3707355, 3954512, 4448826, 4943140, 5190297, 5931768, 6920396, 7414710, 8650495, 8897652, 9886280, 10380594, 11122065, 11863536, 13840792, 14829420, 15570891, 17300990, 17795304, 19772560, 20761188, 22244130, 25951485, 27681584, 29658840, 31141782, 34601980, 35590608, 41522376, 44488260, 51902970, 59317680, 62283564, 69203960, 77854455, 83044752, 88976520, 103805940, 124567128, 138407920, 155708910, 177953040, 207611880, 249134256, 311417820, 415223760, 622835640, 1245671280]

約数ペア:

[(1, 1245671280), (2, 622835640), (3, 415223760), (4, 311417820), (5, 249134256), (6, 207611880), (7, 177953040), (8, 155708910), (9, 138407920), (10, 124567128), (12, 103805940), (14, 88976520), (15, 83044752), (16, 77854455), (18, 69203960), (20, 62283564), (21, 59317680), (24, 51902970), (28, 44488260), (30, 41522376), (35, 35590608), (36, 34601980), (40, 31141782), (42, 29658840), (45, 27681584), (48, 25951485), (56, 22244130), (60, 20761188), (63, 19772560), (70, 17795304), (72, 17300990), (80, 15570891), (84, 14829420), (90, 13840792), (105, 11863536), (112, 11122065), (120, 10380594), (126, 9886280), (140, 8897652), (144, 8650495), (168, 7414710), (180, 6920396), (210, 5931768), (240, 5190297), (252, 4943140), (280, 4448826), (315, 3954512), (336, 3707355), (360, 3460198), (420, 2965884), (439, 2837520), (504, 2471570), (560, 2224413), (563, 2212560), (630, 1977256), (720, 1730099), (840, 1482942), (878, 1418760), (1008, 1235785), (1126, 1106280), (1260, 988628), (1317, 945840), (1680, 741471), (1689, 737520), (1756, 709380), (2195, 567504), (2252, 553140), (2520, 494314), (2634, 472920), (2815, 442512), (3073, 405360), (3378, 368760), (3512, 354690), (3941, 316080), (3951, 315280), (4390, 283752), (4504, 276570), (5040, 247157), (5067, 245840), (5268, 236460), (5630, 221256), (6146, 202680), (6585, 189168), (6756, 184380), (7024, 177345), (7882, 158040), (7902, 157640), (8445, 147504), (8780, 141876), (9008, 138285), (9219, 135120), (10134, 122920), (10536, 118230), (11260, 110628), (11823, 105360), (12292, 101340), (13170, 94584), (13512, 92190), (15365, 81072), (15764, 79020), (15804, 78820), (16890, 73752), (17560, 70938), (18438, 67560), (19705, 63216), (19755, 63056), (20268, 61460), (21072, 59115), (22520, 55314), (23646, 52680), (24584, 50670), (25335, 49168), (26340, 47292), (27024, 46095), (27657, 45040), (30730, 40536), (31528, 39510), (31608, 39410), (33780, 36876), (35120, 35469)]