313725440

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:139

約数の個数: 240

約数和(自身を含む): 911051064

約数和(自身を除く): 597325624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 49, 56, 61, 64, 70, 80, 82, 98, 112, 122, 128, 140, 160, 164, 196, 205, 224, 244, 245, 256, 280, 287, 305, 320, 328, 392, 410, 427, 448, 488, 490, 512, 560, 574, 610, 640, 656, 784, 820, 854, 896, 976, 980, 1120, 1148, 1220, 1280, 1312, 1435, 1568, 1640, 1708, 1792, 1952, 1960, 2009, 2135, 2240, 2296, 2440, 2501, 2560, 2624, 2870, 2989, 3136, 3280, 3416, 3584, 3904, 3920, 4018, 4270, 4480, 4592, 4880, 5002, 5248, 5740, 5978, 6272, 6560, 6832, 7808, 7840, 8036, 8540, 8960, 9184, 9760, 10004, 10045, 10496, 11480, 11956, 12505, 12544, 13120, 13664, 14945, 15616, 15680, 16072, 17080, 17507, 17920, 18368, 19520, 20008, 20090, 20992, 22960, 23912, 25010, 25088, 26240, 27328, 29890, 31232, 31360, 32144, 34160, 35014, 36736, 39040, 40016, 40180, 45920, 47824, 50020, 52480, 54656, 59780, 62720, 64288, 68320, 70028, 73472, 78080, 80032, 80360, 87535, 91840, 95648, 100040, 104960, 109312, 119560, 122549, 125440, 128576, 136640, 140056, 146944, 156160, 160064, 160720, 175070, 183680, 191296, 200080, 218624, 239120, 245098, 257152, 273280, 280112, 320128, 321440, 350140, 367360, 382592, 400160, 478240, 490196, 514304, 546560, 560224, 612745, 640256, 642880, 700280, 734720, 765184, 800320, 956480, 980392, 1028608, 1093120, 1120448, 1225490, 1280512, 1285760, 1400560, 1530368, 1600640, 1912960, 1960784, 2240896, 2450980, 2571520, 2801120, 3201280, 3825920, 3921568, 4481792, 4901960, 5143040, 5602240, 6402560, 7651840, 7843136, 8963584, 9803920, 11204480, 15686272, 19607840, 22408960, 31372544, 39215680, 44817920, 62745088, 78431360, 156862720, 313725440]

約数ペア:

[(1, 313725440), (2, 156862720), (4, 78431360), (5, 62745088), (7, 44817920), (8, 39215680), (10, 31372544), (14, 22408960), (16, 19607840), (20, 15686272), (28, 11204480), (32, 9803920), (35, 8963584), (40, 7843136), (41, 7651840), (49, 6402560), (56, 5602240), (61, 5143040), (64, 4901960), (70, 4481792), (80, 3921568), (82, 3825920), (98, 3201280), (112, 2801120), (122, 2571520), (128, 2450980), (140, 2240896), (160, 1960784), (164, 1912960), (196, 1600640), (205, 1530368), (224, 1400560), (244, 1285760), (245, 1280512), (256, 1225490), (280, 1120448), (287, 1093120), (305, 1028608), (320, 980392), (328, 956480), (392, 800320), (410, 765184), (427, 734720), (448, 700280), (488, 642880), (490, 640256), (512, 612745), (560, 560224), (574, 546560), (610, 514304), (640, 490196), (656, 478240), (784, 400160), (820, 382592), (854, 367360), (896, 350140), (976, 321440), (980, 320128), (1120, 280112), (1148, 273280), (1220, 257152), (1280, 245098), (1312, 239120), (1435, 218624), (1568, 200080), (1640, 191296), (1708, 183680), (1792, 175070), (1952, 160720), (1960, 160064), (2009, 156160), (2135, 146944), (2240, 140056), (2296, 136640), (2440, 128576), (2501, 125440), (2560, 122549), (2624, 119560), (2870, 109312), (2989, 104960), (3136, 100040), (3280, 95648), (3416, 91840), (3584, 87535), (3904, 80360), (3920, 80032), (4018, 78080), (4270, 73472), (4480, 70028), (4592, 68320), (4880, 64288), (5002, 62720), (5248, 59780), (5740, 54656), (5978, 52480), (6272, 50020), (6560, 47824), (6832, 45920), (7808, 40180), (7840, 40016), (8036, 39040), (8540, 36736), (8960, 35014), (9184, 34160), (9760, 32144), (10004, 31360), (10045, 31232), (10496, 29890), (11480, 27328), (11956, 26240), (12505, 25088), (12544, 25010), (13120, 23912), (13664, 22960), (14945, 20992), (15616, 20090), (15680, 20008), (16072, 19520), (17080, 18368), (17507, 17920)]