678487320

素因数分解:

$2^3\times 3^3\times 5^1\times 7^2\times {\mathrm{12821}}^1$

素因数の和:12855

約数の個数: 192

約数和(自身を含む): 2631074400

約数和(自身を除く): 1952587080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 168, 180, 189, 196, 210, 216, 245, 252, 270, 280, 294, 315, 360, 378, 392, 420, 441, 490, 504, 540, 588, 630, 735, 756, 840, 882, 945, 980, 1080, 1176, 1260, 1323, 1470, 1512, 1764, 1890, 1960, 2205, 2520, 2646, 2940, 3528, 3780, 4410, 5292, 5880, 6615, 7560, 8820, 10584, 12821, 13230, 17640, 25642, 26460, 38463, 51284, 52920, 64105, 76926, 89747, 102568, 115389, 128210, 153852, 179494, 192315, 230778, 256420, 269241, 307704, 346167, 358988, 384630, 448735, 461556, 512840, 538482, 576945, 628229, 692334, 717976, 769260, 807723, 897470, 923112, 1076964, 1153890, 1256458, 1346205, 1384668, 1538520, 1615446, 1730835, 1794940, 1884687, 2153928, 2307780, 2423169, 2512916, 2692410, 2769336, 3141145, 3230892, 3461670, 3589880, 3769374, 4038615, 4615560, 4846338, 5025832, 5384820, 5654061, 6282290, 6461784, 6923340, 7538748, 8077230, 9423435, 9692676, 10769640, 11308122, 12115845, 12564580, 13846680, 15077496, 16154460, 16962183, 18846870, 19385352, 22616244, 24231690, 25129160, 28270305, 32308920, 33924366, 37693740, 45232488, 48463380, 56540610, 67848732, 75387480, 84810915, 96926760, 113081220, 135697464, 169621830, 226162440, 339243660, 678487320]

約数ペア:

[(1, 678487320), (2, 339243660), (3, 226162440), (4, 169621830), (5, 135697464), (6, 113081220), (7, 96926760), (8, 84810915), (9, 75387480), (10, 67848732), (12, 56540610), (14, 48463380), (15, 45232488), (18, 37693740), (20, 33924366), (21, 32308920), (24, 28270305), (27, 25129160), (28, 24231690), (30, 22616244), (35, 19385352), (36, 18846870), (40, 16962183), (42, 16154460), (45, 15077496), (49, 13846680), (54, 12564580), (56, 12115845), (60, 11308122), (63, 10769640), (70, 9692676), (72, 9423435), (84, 8077230), (90, 7538748), (98, 6923340), (105, 6461784), (108, 6282290), (120, 5654061), (126, 5384820), (135, 5025832), (140, 4846338), (147, 4615560), (168, 4038615), (180, 3769374), (189, 3589880), (196, 3461670), (210, 3230892), (216, 3141145), (245, 2769336), (252, 2692410), (270, 2512916), (280, 2423169), (294, 2307780), (315, 2153928), (360, 1884687), (378, 1794940), (392, 1730835), (420, 1615446), (441, 1538520), (490, 1384668), (504, 1346205), (540, 1256458), (588, 1153890), (630, 1076964), (735, 923112), (756, 897470), (840, 807723), (882, 769260), (945, 717976), (980, 692334), (1080, 628229), (1176, 576945), (1260, 538482), (1323, 512840), (1470, 461556), (1512, 448735), (1764, 384630), (1890, 358988), (1960, 346167), (2205, 307704), (2520, 269241), (2646, 256420), (2940, 230778), (3528, 192315), (3780, 179494), (4410, 153852), (5292, 128210), (5880, 115389), (6615, 102568), (7560, 89747), (8820, 76926), (10584, 64105), (12821, 52920), (13230, 51284), (17640, 38463), (25642, 26460)]