628421640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2957}}^1$

素因数の和:3012

約数の個数: 256

約数和(自身を含む): 2453483520

約数和(自身を除く): 1825061880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 23, 24, 28, 30, 33, 35, 40, 42, 44, 46, 55, 56, 60, 66, 69, 70, 77, 84, 88, 92, 105, 110, 115, 120, 132, 138, 140, 154, 161, 165, 168, 184, 210, 220, 230, 231, 253, 264, 276, 280, 308, 322, 330, 345, 385, 420, 440, 460, 462, 483, 506, 552, 616, 644, 660, 690, 759, 770, 805, 840, 920, 924, 966, 1012, 1155, 1265, 1288, 1320, 1380, 1518, 1540, 1610, 1771, 1848, 1932, 2024, 2310, 2415, 2530, 2760, 2957, 3036, 3080, 3220, 3542, 3795, 3864, 4620, 4830, 5060, 5313, 5914, 6072, 6440, 7084, 7590, 8855, 8871, 9240, 9660, 10120, 10626, 11828, 14168, 14785, 15180, 17710, 17742, 19320, 20699, 21252, 23656, 26565, 29570, 30360, 32527, 35420, 35484, 41398, 42504, 44355, 53130, 59140, 62097, 65054, 68011, 70840, 70968, 82796, 88710, 97581, 103495, 106260, 118280, 124194, 130108, 136022, 162635, 165592, 177420, 195162, 204033, 206990, 212520, 227689, 248388, 260216, 272044, 310485, 325270, 340055, 354840, 390324, 408066, 413980, 455378, 476077, 487905, 496776, 544088, 620970, 650540, 680110, 683067, 748121, 780648, 816132, 827960, 910756, 952154, 975810, 1020165, 1138445, 1241940, 1301080, 1360220, 1366134, 1428231, 1496242, 1632264, 1821512, 1904308, 1951620, 2040330, 2244363, 2276890, 2380385, 2483880, 2720440, 2732268, 2856462, 2992484, 3415335, 3740605, 3808616, 3903240, 4080660, 4488726, 4553780, 4760770, 5236847, 5464536, 5712924, 5984968, 6830670, 7141155, 7481210, 8161320, 8977452, 9107560, 9521540, 10473694, 11221815, 11425848, 13661340, 14282310, 14962420, 15710541, 17954904, 19043080, 20947388, 22443630, 26184235, 27322680, 28564620, 29924840, 31421082, 41894776, 44887260, 52368470, 57129240, 62842164, 78552705, 89774520, 104736940, 125684328, 157105410, 209473880, 314210820, 628421640]

約数ペア:

[(1, 628421640), (2, 314210820), (3, 209473880), (4, 157105410), (5, 125684328), (6, 104736940), (7, 89774520), (8, 78552705), (10, 62842164), (11, 57129240), (12, 52368470), (14, 44887260), (15, 41894776), (20, 31421082), (21, 29924840), (22, 28564620), (23, 27322680), (24, 26184235), (28, 22443630), (30, 20947388), (33, 19043080), (35, 17954904), (40, 15710541), (42, 14962420), (44, 14282310), (46, 13661340), (55, 11425848), (56, 11221815), (60, 10473694), (66, 9521540), (69, 9107560), (70, 8977452), (77, 8161320), (84, 7481210), (88, 7141155), (92, 6830670), (105, 5984968), (110, 5712924), (115, 5464536), (120, 5236847), (132, 4760770), (138, 4553780), (140, 4488726), (154, 4080660), (161, 3903240), (165, 3808616), (168, 3740605), (184, 3415335), (210, 2992484), (220, 2856462), (230, 2732268), (231, 2720440), (253, 2483880), (264, 2380385), (276, 2276890), (280, 2244363), (308, 2040330), (322, 1951620), (330, 1904308), (345, 1821512), (385, 1632264), (420, 1496242), (440, 1428231), (460, 1366134), (462, 1360220), (483, 1301080), (506, 1241940), (552, 1138445), (616, 1020165), (644, 975810), (660, 952154), (690, 910756), (759, 827960), (770, 816132), (805, 780648), (840, 748121), (920, 683067), (924, 680110), (966, 650540), (1012, 620970), (1155, 544088), (1265, 496776), (1288, 487905), (1320, 476077), (1380, 455378), (1518, 413980), (1540, 408066), (1610, 390324), (1771, 354840), (1848, 340055), (1932, 325270), (2024, 310485), (2310, 272044), (2415, 260216), (2530, 248388), (2760, 227689), (2957, 212520), (3036, 206990), (3080, 204033), (3220, 195162), (3542, 177420), (3795, 165592), (3864, 162635), (4620, 136022), (4830, 130108), (5060, 124194), (5313, 118280), (5914, 106260), (6072, 103495), (6440, 97581), (7084, 88710), (7590, 82796), (8855, 70968), (8871, 70840), (9240, 68011), (9660, 65054), (10120, 62097), (10626, 59140), (11828, 53130), (14168, 44355), (14785, 42504), (15180, 41398), (17710, 35484), (17742, 35420), (19320, 32527), (20699, 30360), (21252, 29570), (23656, 26565)]