247128840

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{337}}^1$

素因数の和:461

約数の個数: 256

約数和(自身を含む): 953971200

約数和(自身を除く): 706842360

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, 54, 56, 60, 63, 70, 72, 84, 90, 97, 105, 108, 120, 126, 135, 140, 168, 180, 189, 194, 210, 216, 252, 270, 280, 291, 315, 337, 360, 378, 388, 420, 485, 504, 540, 582, 630, 674, 679, 756, 776, 840, 873, 945, 970, 1011, 1080, 1164, 1260, 1348, 1358, 1455, 1512, 1685, 1746, 1890, 1940, 2022, 2037, 2328, 2359, 2520, 2619, 2696, 2716, 2910, 3033, 3370, 3395, 3492, 3780, 3880, 4044, 4074, 4365, 4718, 5055, 5238, 5432, 5820, 6066, 6111, 6740, 6790, 6984, 7077, 7560, 8088, 8148, 8730, 9099, 9436, 10110, 10185, 10476, 11640, 11795, 12132, 12222, 13095, 13480, 13580, 14154, 15165, 16296, 17460, 18198, 18333, 18872, 20220, 20370, 20952, 21231, 23590, 24264, 24444, 26190, 27160, 28308, 30330, 30555, 32689, 34920, 35385, 36396, 36666, 40440, 40740, 42462, 45495, 47180, 48888, 52380, 56616, 60660, 61110, 63693, 65378, 70770, 72792, 73332, 81480, 84924, 90990, 91665, 94360, 98067, 104760, 106155, 121320, 122220, 127386, 130756, 141540, 146664, 163445, 169848, 181980, 183330, 196134, 212310, 228823, 244440, 254772, 261512, 283080, 294201, 318465, 326890, 363960, 366660, 392268, 424620, 457646, 490335, 509544, 588402, 636930, 653780, 686469, 733320, 784536, 849240, 882603, 915292, 980670, 1144115, 1176804, 1273860, 1307560, 1372938, 1471005, 1765206, 1830584, 1961340, 2059407, 2288230, 2353608, 2547720, 2745876, 2942010, 3432345, 3530412, 3922680, 4118814, 4413015, 4576460, 5491752, 5884020, 6178221, 6864690, 7060824, 8237628, 8826030, 9152920, 10297035, 11768040, 12356442, 13729380, 16475256, 17652060, 20594070, 24712884, 27458760, 30891105, 35304120, 41188140, 49425768, 61782210, 82376280, 123564420, 247128840]

約数ペア:

[(1, 247128840), (2, 123564420), (3, 82376280), (4, 61782210), (5, 49425768), (6, 41188140), (7, 35304120), (8, 30891105), (9, 27458760), (10, 24712884), (12, 20594070), (14, 17652060), (15, 16475256), (18, 13729380), (20, 12356442), (21, 11768040), (24, 10297035), (27, 9152920), (28, 8826030), (30, 8237628), (35, 7060824), (36, 6864690), (40, 6178221), (42, 5884020), (45, 5491752), (54, 4576460), (56, 4413015), (60, 4118814), (63, 3922680), (70, 3530412), (72, 3432345), (84, 2942010), (90, 2745876), (97, 2547720), (105, 2353608), (108, 2288230), (120, 2059407), (126, 1961340), (135, 1830584), (140, 1765206), (168, 1471005), (180, 1372938), (189, 1307560), (194, 1273860), (210, 1176804), (216, 1144115), (252, 980670), (270, 915292), (280, 882603), (291, 849240), (315, 784536), (337, 733320), (360, 686469), (378, 653780), (388, 636930), (420, 588402), (485, 509544), (504, 490335), (540, 457646), (582, 424620), (630, 392268), (674, 366660), (679, 363960), (756, 326890), (776, 318465), (840, 294201), (873, 283080), (945, 261512), (970, 254772), (1011, 244440), (1080, 228823), (1164, 212310), (1260, 196134), (1348, 183330), (1358, 181980), (1455, 169848), (1512, 163445), (1685, 146664), (1746, 141540), (1890, 130756), (1940, 127386), (2022, 122220), (2037, 121320), (2328, 106155), (2359, 104760), (2520, 98067), (2619, 94360), (2696, 91665), (2716, 90990), (2910, 84924), (3033, 81480), (3370, 73332), (3395, 72792), (3492, 70770), (3780, 65378), (3880, 63693), (4044, 61110), (4074, 60660), (4365, 56616), (4718, 52380), (5055, 48888), (5238, 47180), (5432, 45495), (5820, 42462), (6066, 40740), (6111, 40440), (6740, 36666), (6790, 36396), (6984, 35385), (7077, 34920), (7560, 32689), (8088, 30555), (8148, 30330), (8730, 28308), (9099, 27160), (9436, 26190), (10110, 24444), (10185, 24264), (10476, 23590), (11640, 21231), (11795, 20952), (12132, 20370), (12222, 20220), (13095, 18872), (13480, 18333), (13580, 18198), (14154, 17460), (15165, 16296)]