663883920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{839}}^1$

素因数の和:1022

約数の個数: 240

約数和(自身を含む): 2567335680

約数和(自身を除く): 1903451760

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, 157, 168, 180, 210, 240, 252, 280, 314, 315, 336, 360, 420, 471, 504, 560, 628, 630, 720, 785, 839, 840, 942, 1008, 1099, 1256, 1260, 1413, 1570, 1678, 1680, 1884, 2198, 2355, 2512, 2517, 2520, 2826, 3140, 3297, 3356, 3768, 4195, 4396, 4710, 5034, 5040, 5495, 5652, 5873, 6280, 6594, 6712, 7065, 7536, 7551, 8390, 8792, 9420, 9891, 10068, 10990, 11304, 11746, 12560, 12585, 13188, 13424, 14130, 15102, 16485, 16780, 17584, 17619, 18840, 19782, 20136, 21980, 22608, 23492, 25170, 26376, 28260, 29365, 30204, 32970, 33560, 35238, 37680, 37755, 39564, 40272, 43960, 46984, 49455, 50340, 52752, 52857, 56520, 58730, 60408, 65940, 67120, 70476, 75510, 79128, 87920, 88095, 93968, 98910, 100680, 105714, 113040, 117460, 120816, 131723, 131880, 140952, 151020, 158256, 176190, 197820, 201360, 211428, 234920, 263446, 263760, 264285, 281904, 302040, 352380, 395169, 395640, 422856, 469840, 526892, 528570, 604080, 658615, 704760, 790338, 791280, 845712, 922061, 1053784, 1057140, 1185507, 1317230, 1409520, 1580676, 1844122, 1975845, 2107568, 2114280, 2371014, 2634460, 2766183, 3161352, 3688244, 3951690, 4228560, 4610305, 4742028, 5268920, 5532366, 5927535, 6322704, 7376488, 7903380, 8298549, 9220610, 9484056, 10537840, 11064732, 11855070, 13830915, 14752976, 15806760, 16597098, 18441220, 18968112, 22129464, 23710140, 27661830, 31613520, 33194196, 36882440, 41492745, 44258928, 47420280, 55323660, 66388392, 73764880, 82985490, 94840560, 110647320, 132776784, 165970980, 221294640, 331941960, 663883920]

約数ペア:

[(1, 663883920), (2, 331941960), (3, 221294640), (4, 165970980), (5, 132776784), (6, 110647320), (7, 94840560), (8, 82985490), (9, 73764880), (10, 66388392), (12, 55323660), (14, 47420280), (15, 44258928), (16, 41492745), (18, 36882440), (20, 33194196), (21, 31613520), (24, 27661830), (28, 23710140), (30, 22129464), (35, 18968112), (36, 18441220), (40, 16597098), (42, 15806760), (45, 14752976), (48, 13830915), (56, 11855070), (60, 11064732), (63, 10537840), (70, 9484056), (72, 9220610), (80, 8298549), (84, 7903380), (90, 7376488), (105, 6322704), (112, 5927535), (120, 5532366), (126, 5268920), (140, 4742028), (144, 4610305), (157, 4228560), (168, 3951690), (180, 3688244), (210, 3161352), (240, 2766183), (252, 2634460), (280, 2371014), (314, 2114280), (315, 2107568), (336, 1975845), (360, 1844122), (420, 1580676), (471, 1409520), (504, 1317230), (560, 1185507), (628, 1057140), (630, 1053784), (720, 922061), (785, 845712), (839, 791280), (840, 790338), (942, 704760), (1008, 658615), (1099, 604080), (1256, 528570), (1260, 526892), (1413, 469840), (1570, 422856), (1678, 395640), (1680, 395169), (1884, 352380), (2198, 302040), (2355, 281904), (2512, 264285), (2517, 263760), (2520, 263446), (2826, 234920), (3140, 211428), (3297, 201360), (3356, 197820), (3768, 176190), (4195, 158256), (4396, 151020), (4710, 140952), (5034, 131880), (5040, 131723), (5495, 120816), (5652, 117460), (5873, 113040), (6280, 105714), (6594, 100680), (6712, 98910), (7065, 93968), (7536, 88095), (7551, 87920), (8390, 79128), (8792, 75510), (9420, 70476), (9891, 67120), (10068, 65940), (10990, 60408), (11304, 58730), (11746, 56520), (12560, 52857), (12585, 52752), (13188, 50340), (13424, 49455), (14130, 46984), (15102, 43960), (16485, 40272), (16780, 39564), (17584, 37755), (17619, 37680), (18840, 35238), (19782, 33560), (20136, 32970), (21980, 30204), (22608, 29365), (23492, 28260), (25170, 26376)]