1284029880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1871}}^1$

素因数の和:1954

約数の個数: 256

約数和(自身を含む): 4744396800

約数和(自身を除く): 3460366920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 43, 56, 57, 60, 70, 76, 84, 86, 95, 105, 114, 120, 129, 133, 140, 152, 168, 172, 190, 210, 215, 228, 258, 266, 280, 285, 301, 344, 380, 399, 420, 430, 456, 516, 532, 570, 602, 645, 665, 760, 798, 817, 840, 860, 903, 1032, 1064, 1140, 1204, 1290, 1330, 1505, 1596, 1634, 1720, 1806, 1871, 1995, 2280, 2408, 2451, 2580, 2660, 3010, 3192, 3268, 3612, 3742, 3990, 4085, 4515, 4902, 5160, 5320, 5613, 5719, 6020, 6536, 7224, 7484, 7980, 8170, 9030, 9355, 9804, 11226, 11438, 12040, 12255, 13097, 14968, 15960, 16340, 17157, 18060, 18710, 19608, 22452, 22876, 24510, 26194, 28065, 28595, 32680, 34314, 35549, 36120, 37420, 39291, 44904, 45752, 49020, 52388, 56130, 57190, 65485, 68628, 71098, 74840, 78582, 80453, 85785, 98040, 104776, 106647, 112260, 114380, 130970, 137256, 142196, 157164, 160906, 171570, 177745, 196455, 213294, 224520, 228760, 241359, 248843, 261940, 284392, 314328, 321812, 343140, 355490, 392910, 402265, 426588, 482718, 497686, 523880, 533235, 563171, 643624, 686280, 710980, 746529, 785820, 804530, 853176, 965436, 995372, 1066470, 1126342, 1206795, 1244215, 1421960, 1493058, 1528607, 1571640, 1609060, 1689513, 1930872, 1990744, 2132940, 2252684, 2413590, 2488430, 2815855, 2986116, 3057214, 3218120, 3379026, 3732645, 4265880, 4505368, 4585821, 4827180, 4976860, 5631710, 5972232, 6114428, 6758052, 7465290, 7643035, 8447565, 9171642, 9654360, 9953720, 10700249, 11263420, 12228856, 13516104, 14930580, 15286070, 16895130, 18343284, 21400498, 22526840, 22929105, 29861160, 30572140, 32100747, 33790260, 36686568, 42800996, 45858210, 53501245, 61144280, 64201494, 67580520, 85601992, 91716420, 107002490, 128402988, 160503735, 183432840, 214004980, 256805976, 321007470, 428009960, 642014940, 1284029880]

約数ペア:

[(1, 1284029880), (2, 642014940), (3, 428009960), (4, 321007470), (5, 256805976), (6, 214004980), (7, 183432840), (8, 160503735), (10, 128402988), (12, 107002490), (14, 91716420), (15, 85601992), (19, 67580520), (20, 64201494), (21, 61144280), (24, 53501245), (28, 45858210), (30, 42800996), (35, 36686568), (38, 33790260), (40, 32100747), (42, 30572140), (43, 29861160), (56, 22929105), (57, 22526840), (60, 21400498), (70, 18343284), (76, 16895130), (84, 15286070), (86, 14930580), (95, 13516104), (105, 12228856), (114, 11263420), (120, 10700249), (129, 9953720), (133, 9654360), (140, 9171642), (152, 8447565), (168, 7643035), (172, 7465290), (190, 6758052), (210, 6114428), (215, 5972232), (228, 5631710), (258, 4976860), (266, 4827180), (280, 4585821), (285, 4505368), (301, 4265880), (344, 3732645), (380, 3379026), (399, 3218120), (420, 3057214), (430, 2986116), (456, 2815855), (516, 2488430), (532, 2413590), (570, 2252684), (602, 2132940), (645, 1990744), (665, 1930872), (760, 1689513), (798, 1609060), (817, 1571640), (840, 1528607), (860, 1493058), (903, 1421960), (1032, 1244215), (1064, 1206795), (1140, 1126342), (1204, 1066470), (1290, 995372), (1330, 965436), (1505, 853176), (1596, 804530), (1634, 785820), (1720, 746529), (1806, 710980), (1871, 686280), (1995, 643624), (2280, 563171), (2408, 533235), (2451, 523880), (2580, 497686), (2660, 482718), (3010, 426588), (3192, 402265), (3268, 392910), (3612, 355490), (3742, 343140), (3990, 321812), (4085, 314328), (4515, 284392), (4902, 261940), (5160, 248843), (5320, 241359), (5613, 228760), (5719, 224520), (6020, 213294), (6536, 196455), (7224, 177745), (7484, 171570), (7980, 160906), (8170, 157164), (9030, 142196), (9355, 137256), (9804, 130970), (11226, 114380), (11438, 112260), (12040, 106647), (12255, 104776), (13097, 98040), (14968, 85785), (15960, 80453), (16340, 78582), (17157, 74840), (18060, 71098), (18710, 68628), (19608, 65485), (22452, 57190), (22876, 56130), (24510, 52388), (26194, 49020), (28065, 45752), (28595, 44904), (32680, 39291), (34314, 37420), (35549, 36120)]