649207440

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{42937}}^1$

素因数の和:42966

約数の個数: 160

約数和(自身を含む): 2555669760

約数和(自身を除く): 1906462320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 42937, 85874, 128811, 171748, 214685, 257622, 300559, 343496, 386433, 429370, 515244, 601118, 644055, 686992, 772866, 858740, 901677, 1030488, 1159299, 1202236, 1288110, 1502795, 1545732, 1717480, 1803354, 1932165, 2060976, 2318598, 2404472, 2576220, 2705031, 3005590, 3091464, 3434960, 3606708, 3864330, 4508385, 4637196, 4808944, 5152440, 5410062, 5796495, 6011180, 6182928, 7213416, 7728660, 8115093, 9016770, 9274392, 10304880, 10820124, 11592990, 12022360, 13525155, 14426832, 15457320, 16230186, 18033540, 18548784, 21640248, 23185980, 24044720, 27050310, 30914640, 32460372, 36067080, 40575465, 43280496, 46371960, 54100620, 64920744, 72134160, 81150930, 92743920, 108201240, 129841488, 162301860, 216402480, 324603720, 649207440]

約数ペア:

[(1, 649207440), (2, 324603720), (3, 216402480), (4, 162301860), (5, 129841488), (6, 108201240), (7, 92743920), (8, 81150930), (9, 72134160), (10, 64920744), (12, 54100620), (14, 46371960), (15, 43280496), (16, 40575465), (18, 36067080), (20, 32460372), (21, 30914640), (24, 27050310), (27, 24044720), (28, 23185980), (30, 21640248), (35, 18548784), (36, 18033540), (40, 16230186), (42, 15457320), (45, 14426832), (48, 13525155), (54, 12022360), (56, 11592990), (60, 10820124), (63, 10304880), (70, 9274392), (72, 9016770), (80, 8115093), (84, 7728660), (90, 7213416), (105, 6182928), (108, 6011180), (112, 5796495), (120, 5410062), (126, 5152440), (135, 4808944), (140, 4637196), (144, 4508385), (168, 3864330), (180, 3606708), (189, 3434960), (210, 3091464), (216, 3005590), (240, 2705031), (252, 2576220), (270, 2404472), (280, 2318598), (315, 2060976), (336, 1932165), (360, 1803354), (378, 1717480), (420, 1545732), (432, 1502795), (504, 1288110), (540, 1202236), (560, 1159299), (630, 1030488), (720, 901677), (756, 858740), (840, 772866), (945, 686992), (1008, 644055), (1080, 601118), (1260, 515244), (1512, 429370), (1680, 386433), (1890, 343496), (2160, 300559), (2520, 257622), (3024, 214685), (3780, 171748), (5040, 128811), (7560, 85874), (15120, 42937)]