319566240

素因数分解:

$2^5\times 3^2\times 5^1\times 7^3\times {\mathrm{647}}^1$

素因数の和:689

約数の個数: 288

約数和(自身を含む): 1273708800

約数和(自身を除く): 954142560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 336, 343, 360, 392, 420, 441, 480, 490, 504, 560, 588, 630, 647, 672, 686, 720, 735, 784, 840, 882, 980, 1008, 1029, 1120, 1176, 1260, 1294, 1372, 1440, 1470, 1568, 1680, 1715, 1764, 1941, 1960, 2016, 2058, 2205, 2352, 2520, 2588, 2744, 2940, 3087, 3235, 3360, 3430, 3528, 3882, 3920, 4116, 4410, 4529, 4704, 5040, 5145, 5176, 5488, 5823, 5880, 6174, 6470, 6860, 7056, 7764, 7840, 8232, 8820, 9058, 9705, 10080, 10290, 10352, 10976, 11646, 11760, 12348, 12940, 13587, 13720, 14112, 15435, 15528, 16464, 17640, 18116, 19410, 20580, 20704, 22645, 23292, 23520, 24696, 25880, 27174, 27440, 29115, 30870, 31056, 31703, 32928, 35280, 36232, 38820, 40761, 41160, 45290, 46584, 49392, 51760, 54348, 54880, 58230, 61740, 62112, 63406, 67935, 70560, 72464, 77640, 81522, 82320, 90580, 93168, 95109, 98784, 103520, 108696, 116460, 123480, 126812, 135870, 144928, 155280, 158515, 163044, 164640, 181160, 186336, 190218, 203805, 217392, 221921, 232920, 246960, 253624, 271740, 285327, 310560, 317030, 326088, 362320, 380436, 407610, 434784, 443842, 465840, 475545, 493920, 507248, 543480, 570654, 634060, 652176, 665763, 724640, 760872, 815220, 887684, 931680, 951090, 1014496, 1086960, 1109605, 1141308, 1268120, 1304352, 1331526, 1426635, 1521744, 1630440, 1775368, 1902180, 1997289, 2173920, 2219210, 2282616, 2536240, 2663052, 2853270, 3043488, 3260880, 3328815, 3550736, 3804360, 3994578, 4438420, 4565232, 5072480, 5326104, 5706540, 6521760, 6657630, 7101472, 7608720, 7989156, 8876840, 9130464, 9986445, 10652208, 11413080, 13315260, 15217440, 15978312, 17753680, 19972890, 21304416, 22826160, 26630520, 31956624, 35507360, 39945780, 45652320, 53261040, 63913248, 79891560, 106522080, 159783120, 319566240]

約数ペア:

[(1, 319566240), (2, 159783120), (3, 106522080), (4, 79891560), (5, 63913248), (6, 53261040), (7, 45652320), (8, 39945780), (9, 35507360), (10, 31956624), (12, 26630520), (14, 22826160), (15, 21304416), (16, 19972890), (18, 17753680), (20, 15978312), (21, 15217440), (24, 13315260), (28, 11413080), (30, 10652208), (32, 9986445), (35, 9130464), (36, 8876840), (40, 7989156), (42, 7608720), (45, 7101472), (48, 6657630), (49, 6521760), (56, 5706540), (60, 5326104), (63, 5072480), (70, 4565232), (72, 4438420), (80, 3994578), (84, 3804360), (90, 3550736), (96, 3328815), (98, 3260880), (105, 3043488), (112, 2853270), (120, 2663052), (126, 2536240), (140, 2282616), (144, 2219210), (147, 2173920), (160, 1997289), (168, 1902180), (180, 1775368), (196, 1630440), (210, 1521744), (224, 1426635), (240, 1331526), (245, 1304352), (252, 1268120), (280, 1141308), (288, 1109605), (294, 1086960), (315, 1014496), (336, 951090), (343, 931680), (360, 887684), (392, 815220), (420, 760872), (441, 724640), (480, 665763), (490, 652176), (504, 634060), (560, 570654), (588, 543480), (630, 507248), (647, 493920), (672, 475545), (686, 465840), (720, 443842), (735, 434784), (784, 407610), (840, 380436), (882, 362320), (980, 326088), (1008, 317030), (1029, 310560), (1120, 285327), (1176, 271740), (1260, 253624), (1294, 246960), (1372, 232920), (1440, 221921), (1470, 217392), (1568, 203805), (1680, 190218), (1715, 186336), (1764, 181160), (1941, 164640), (1960, 163044), (2016, 158515), (2058, 155280), (2205, 144928), (2352, 135870), (2520, 126812), (2588, 123480), (2744, 116460), (2940, 108696), (3087, 103520), (3235, 98784), (3360, 95109), (3430, 93168), (3528, 90580), (3882, 82320), (3920, 81522), (4116, 77640), (4410, 72464), (4529, 70560), (4704, 67935), (5040, 63406), (5145, 62112), (5176, 61740), (5488, 58230), (5823, 54880), (5880, 54348), (6174, 51760), (6470, 49392), (6860, 46584), (7056, 45290), (7764, 41160), (7840, 40761), (8232, 38820), (8820, 36232), (9058, 35280), (9705, 32928), (10080, 31703), (10290, 31056), (10352, 30870), (10976, 29115), (11646, 27440), (11760, 27174), (12348, 25880), (12940, 24696), (13587, 23520), (13720, 23292), (14112, 22645), (15435, 20704), (15528, 20580), (16464, 19410), (17640, 18116)]