666342.00000000

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{839}}^1$

素因数の和:879

約数の個数: 216

約数和(自身を含む): 313709760

約数和(自身を除く): 232309980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 49, 55, 60, 63, 66, 70, 77, 84, 90, 98, 99, 105, 110, 126, 132, 140, 147, 154, 165, 180, 196, 198, 210, 220, 231, 245, 252, 294, 308, 315, 330, 385, 396, 420, 441, 462, 490, 495, 539, 588, 630, 660, 693, 735, 770, 839, 882, 924, 980, 990, 1078, 1155, 1260, 1386, 1470, 1540, 1617, 1678, 1764, 1980, 2156, 2205, 2310, 2517, 2695, 2772, 2940, 3234, 3356, 3465, 4195, 4410, 4620, 4851, 5034, 5390, 5873, 6468, 6930, 7551, 8085, 8390, 8820, 9229, 9702, 10068, 10780, 11746, 12585, 13860, 15102, 16170, 16780, 17619, 18458, 19404, 23492, 24255, 25170, 27687, 29365, 30204, 32340, 35238, 36916, 37755, 41111, 46145, 48510, 50340, 52857, 55374, 58730, 64603, 70476, 75510, 82222, 83061, 88095, 92290, 97020, 105714, 110748, 117460, 123333, 129206, 138435, 151020, 164444, 166122, 176190, 184580, 193809, 205555, 211428, 246666, 258412, 264285, 276870, 323015, 332244, 352380, 369999, 387618, 411110, 415305, 452221, 493332, 528570, 553740, 581427, 616665, 646030, 739998, 775236, 822220, 830610, 904442, 969045, 1057140, 1162854, 1233330, 1292060, 1356663, 1479996, 1661220, 1808884, 1849995, 1938090, 2261105, 2325708, 2466660, 2713326, 2907135, 3699990, 3876180, 4069989, 4522210, 5426652, 5814270, 6783315, 7399980, 8139978, 9044420, 11628540, 13566630, 16279956, 20349945, 27133260, 40699890, 81399780]

約数ペア:

[(1, 81399780), (2, 40699890), (3, 27133260), (4, 20349945), (5, 16279956), (6, 13566630), (7, 11628540), (9, 9044420), (10, 8139978), (11, 7399980), (12, 6783315), (14, 5814270), (15, 5426652), (18, 4522210), (20, 4069989), (21, 3876180), (22, 3699990), (28, 2907135), (30, 2713326), (33, 2466660), (35, 2325708), (36, 2261105), (42, 1938090), (44, 1849995), (45, 1808884), (49, 1661220), (55, 1479996), (60, 1356663), (63, 1292060), (66, 1233330), (70, 1162854), (77, 1057140), (84, 969045), (90, 904442), (98, 830610), (99, 822220), (105, 775236), (110, 739998), (126, 646030), (132, 616665), (140, 581427), (147, 553740), (154, 528570), (165, 493332), (180, 452221), (196, 415305), (198, 411110), (210, 387618), (220, 369999), (231, 352380), (245, 332244), (252, 323015), (294, 276870), (308, 264285), (315, 258412), (330, 246666), (385, 211428), (396, 205555), (420, 193809), (441, 184580), (462, 176190), (490, 166122), (495, 164444), (539, 151020), (588, 138435), (630, 129206), (660, 123333), (693, 117460), (735, 110748), (770, 105714), (839, 97020), (882, 92290), (924, 88095), (980, 83061), (990, 82222), (1078, 75510), (1155, 70476), (1260, 64603), (1386, 58730), (1470, 55374), (1540, 52857), (1617, 50340), (1678, 48510), (1764, 46145), (1980, 41111), (2156, 37755), (2205, 36916), (2310, 35238), (2517, 32340), (2695, 30204), (2772, 29365), (2940, 27687), (3234, 25170), (3356, 24255), (3465, 23492), (4195, 19404), (4410, 18458), (4620, 17619), (4851, 16780), (5034, 16170), (5390, 15102), (5873, 13860), (6468, 12585), (6930, 11746), (7551, 10780), (8085, 10068), (8390, 9702), (8820, 9229)]