647577420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1559}}^1$

素因数の和:1644

約数の個数: 192

約数和(自身を含む): 2214051840

約数和(自身を除く): 1566474420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 43, 46, 60, 69, 70, 84, 86, 92, 105, 115, 129, 138, 140, 161, 172, 210, 215, 230, 258, 276, 301, 322, 345, 420, 430, 460, 483, 516, 602, 644, 645, 690, 805, 860, 903, 966, 989, 1204, 1290, 1380, 1505, 1559, 1610, 1806, 1932, 1978, 2415, 2580, 2967, 3010, 3118, 3220, 3612, 3956, 4515, 4677, 4830, 4945, 5934, 6020, 6236, 6923, 7795, 9030, 9354, 9660, 9890, 10913, 11868, 13846, 14835, 15590, 18060, 18708, 19780, 20769, 21826, 23385, 27692, 29670, 31180, 32739, 34615, 35857, 41538, 43652, 46770, 54565, 59340, 65478, 67037, 69230, 71714, 83076, 93540, 103845, 107571, 109130, 130956, 134074, 138460, 143428, 163695, 179285, 201111, 207690, 215142, 218260, 250999, 268148, 327390, 335185, 358570, 402222, 415380, 430284, 469259, 501998, 537855, 654780, 670370, 717140, 752997, 804444, 938518, 1003996, 1005555, 1075710, 1254995, 1340740, 1407777, 1505994, 1541851, 1877036, 2011110, 2151420, 2346295, 2509990, 2815554, 3011988, 3083702, 3764985, 4022220, 4625553, 4692590, 5019980, 5631108, 6167404, 7038885, 7529970, 7709255, 9251106, 9385180, 10792957, 14077770, 15059940, 15418510, 18502212, 21585914, 23127765, 28155540, 30837020, 32378871, 43171828, 46255530, 53964785, 64757742, 92511060, 107929570, 129515484, 161894355, 215859140, 323788710, 647577420]

約数ペア:

[(1, 647577420), (2, 323788710), (3, 215859140), (4, 161894355), (5, 129515484), (6, 107929570), (7, 92511060), (10, 64757742), (12, 53964785), (14, 46255530), (15, 43171828), (20, 32378871), (21, 30837020), (23, 28155540), (28, 23127765), (30, 21585914), (35, 18502212), (42, 15418510), (43, 15059940), (46, 14077770), (60, 10792957), (69, 9385180), (70, 9251106), (84, 7709255), (86, 7529970), (92, 7038885), (105, 6167404), (115, 5631108), (129, 5019980), (138, 4692590), (140, 4625553), (161, 4022220), (172, 3764985), (210, 3083702), (215, 3011988), (230, 2815554), (258, 2509990), (276, 2346295), (301, 2151420), (322, 2011110), (345, 1877036), (420, 1541851), (430, 1505994), (460, 1407777), (483, 1340740), (516, 1254995), (602, 1075710), (644, 1005555), (645, 1003996), (690, 938518), (805, 804444), (860, 752997), (903, 717140), (966, 670370), (989, 654780), (1204, 537855), (1290, 501998), (1380, 469259), (1505, 430284), (1559, 415380), (1610, 402222), (1806, 358570), (1932, 335185), (1978, 327390), (2415, 268148), (2580, 250999), (2967, 218260), (3010, 215142), (3118, 207690), (3220, 201111), (3612, 179285), (3956, 163695), (4515, 143428), (4677, 138460), (4830, 134074), (4945, 130956), (5934, 109130), (6020, 107571), (6236, 103845), (6923, 93540), (7795, 83076), (9030, 71714), (9354, 69230), (9660, 67037), (9890, 65478), (10913, 59340), (11868, 54565), (13846, 46770), (14835, 43652), (15590, 41538), (18060, 35857), (18708, 34615), (19780, 32739), (20769, 31180), (21826, 29670), (23385, 27692)]