245713440

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:400

約数の個数: 288

約数和(自身を含む): 932166144

約数和(自身を除く): 686452704

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 49, 56, 60, 62, 70, 80, 84, 93, 96, 98, 105, 112, 120, 124, 140, 147, 155, 160, 168, 186, 196, 210, 217, 224, 240, 245, 248, 280, 294, 310, 336, 337, 372, 392, 420, 434, 465, 480, 490, 496, 560, 588, 620, 651, 672, 674, 735, 744, 784, 840, 868, 930, 980, 992, 1011, 1085, 1120, 1176, 1240, 1302, 1348, 1470, 1488, 1519, 1568, 1680, 1685, 1736, 1860, 1960, 2022, 2170, 2352, 2359, 2480, 2604, 2696, 2940, 2976, 3038, 3255, 3360, 3370, 3472, 3720, 3920, 4044, 4340, 4557, 4704, 4718, 4960, 5055, 5208, 5392, 5880, 6076, 6510, 6740, 6944, 7077, 7440, 7595, 7840, 8088, 8680, 9114, 9436, 10110, 10416, 10447, 10784, 11760, 11795, 12152, 13020, 13480, 14154, 14880, 15190, 16176, 16513, 17360, 18228, 18872, 20220, 20832, 20894, 22785, 23520, 23590, 24304, 26040, 26960, 28308, 30380, 31341, 32352, 33026, 34720, 35385, 36456, 37744, 40440, 41788, 45570, 47180, 48608, 49539, 52080, 52235, 53920, 56616, 60760, 62682, 66052, 70770, 72912, 73129, 75488, 80880, 82565, 83576, 91140, 94360, 99078, 104160, 104470, 113232, 121520, 125364, 132104, 141540, 145824, 146258, 156705, 161760, 165130, 167152, 182280, 188720, 198156, 208940, 219387, 226464, 243040, 247695, 250728, 264208, 283080, 292516, 313410, 330260, 334304, 364560, 365645, 377440, 396312, 417880, 438774, 495390, 501456, 511903, 528416, 566160, 585032, 626820, 660520, 729120, 731290, 792624, 835760, 877548, 990780, 1002912, 1023806, 1096935, 1132320, 1170064, 1253640, 1321040, 1462580, 1535709, 1585248, 1671520, 1755096, 1981560, 2047612, 2193870, 2340128, 2507280, 2559515, 2642080, 2925160, 3071418, 3510192, 3963120, 4095224, 4387740, 5014560, 5119030, 5850320, 6142836, 7020384, 7678545, 7926240, 8190448, 8775480, 10238060, 11700640, 12285672, 15357090, 16380896, 17550960, 20476120, 24571344, 30714180, 35101920, 40952240, 49142688, 61428360, 81904480, 122856720, 245713440]

約数ペア:

[(1, 245713440), (2, 122856720), (3, 81904480), (4, 61428360), (5, 49142688), (6, 40952240), (7, 35101920), (8, 30714180), (10, 24571344), (12, 20476120), (14, 17550960), (15, 16380896), (16, 15357090), (20, 12285672), (21, 11700640), (24, 10238060), (28, 8775480), (30, 8190448), (31, 7926240), (32, 7678545), (35, 7020384), (40, 6142836), (42, 5850320), (48, 5119030), (49, 5014560), (56, 4387740), (60, 4095224), (62, 3963120), (70, 3510192), (80, 3071418), (84, 2925160), (93, 2642080), (96, 2559515), (98, 2507280), (105, 2340128), (112, 2193870), (120, 2047612), (124, 1981560), (140, 1755096), (147, 1671520), (155, 1585248), (160, 1535709), (168, 1462580), (186, 1321040), (196, 1253640), (210, 1170064), (217, 1132320), (224, 1096935), (240, 1023806), (245, 1002912), (248, 990780), (280, 877548), (294, 835760), (310, 792624), (336, 731290), (337, 729120), (372, 660520), (392, 626820), (420, 585032), (434, 566160), (465, 528416), (480, 511903), (490, 501456), (496, 495390), (560, 438774), (588, 417880), (620, 396312), (651, 377440), (672, 365645), (674, 364560), (735, 334304), (744, 330260), (784, 313410), (840, 292516), (868, 283080), (930, 264208), (980, 250728), (992, 247695), (1011, 243040), (1085, 226464), (1120, 219387), (1176, 208940), (1240, 198156), (1302, 188720), (1348, 182280), (1470, 167152), (1488, 165130), (1519, 161760), (1568, 156705), (1680, 146258), (1685, 145824), (1736, 141540), (1860, 132104), (1960, 125364), (2022, 121520), (2170, 113232), (2352, 104470), (2359, 104160), (2480, 99078), (2604, 94360), (2696, 91140), (2940, 83576), (2976, 82565), (3038, 80880), (3255, 75488), (3360, 73129), (3370, 72912), (3472, 70770), (3720, 66052), (3920, 62682), (4044, 60760), (4340, 56616), (4557, 53920), (4704, 52235), (4718, 52080), (4960, 49539), (5055, 48608), (5208, 47180), (5392, 45570), (5880, 41788), (6076, 40440), (6510, 37744), (6740, 36456), (6944, 35385), (7077, 34720), (7440, 33026), (7595, 32352), (7840, 31341), (8088, 30380), (8680, 28308), (9114, 26960), (9436, 26040), (10110, 24304), (10416, 23590), (10447, 23520), (10784, 22785), (11760, 20894), (11795, 20832), (12152, 20220), (13020, 18872), (13480, 18228), (14154, 17360), (14880, 16513), (15190, 16176)]