644551488

素因数分解:

$2^6\times 3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{557}}^1$

素因数の和:630

約数の個数: 252

約数和(自身を含む): 2205491652

約数和(自身を除く): 1560940164

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 41, 42, 48, 49, 56, 63, 64, 72, 82, 84, 96, 98, 112, 123, 126, 144, 147, 164, 168, 192, 196, 224, 246, 252, 287, 288, 294, 328, 336, 369, 392, 441, 448, 492, 504, 557, 574, 576, 588, 656, 672, 738, 784, 861, 882, 984, 1008, 1114, 1148, 1176, 1312, 1344, 1476, 1568, 1671, 1722, 1764, 1968, 2009, 2016, 2228, 2296, 2352, 2583, 2624, 2952, 3136, 3342, 3444, 3528, 3899, 3936, 4018, 4032, 4456, 4592, 4704, 5013, 5166, 5904, 6027, 6684, 6888, 7056, 7798, 7872, 8036, 8912, 9184, 9408, 10026, 10332, 11697, 11808, 12054, 13368, 13776, 14112, 15596, 16072, 17824, 18081, 18368, 20052, 20664, 22837, 23394, 23616, 24108, 26736, 27293, 27552, 28224, 31192, 32144, 35091, 35648, 36162, 40104, 41328, 45674, 46788, 48216, 53472, 54586, 55104, 62384, 64288, 68511, 70182, 72324, 80208, 81879, 82656, 91348, 93576, 96432, 106944, 109172, 124768, 128576, 137022, 140364, 144648, 159859, 160416, 163758, 165312, 182696, 187152, 192864, 205533, 218344, 245637, 249536, 274044, 280728, 289296, 319718, 320832, 327516, 365392, 374304, 385728, 411066, 436688, 479577, 491274, 548088, 561456, 578592, 639436, 655032, 730784, 748608, 822132, 873376, 959154, 982548, 1096176, 1119013, 1122912, 1157184, 1278872, 1310064, 1438731, 1461568, 1644264, 1746752, 1918308, 1965096, 2192352, 2238026, 2245824, 2557744, 2620128, 2877462, 3288528, 3357039, 3836616, 3930192, 4384704, 4476052, 5115488, 5240256, 5754924, 6577056, 6714078, 7673232, 7860384, 8952104, 10071117, 10230976, 11509848, 13154112, 13428156, 15346464, 15720768, 17904208, 20142234, 23019696, 26856312, 30692928, 35808416, 40284468, 46039392, 53712624, 71616832, 80568936, 92078784, 107425248, 161137872, 214850496, 322275744, 644551488]

約数ペア:

[(1, 644551488), (2, 322275744), (3, 214850496), (4, 161137872), (6, 107425248), (7, 92078784), (8, 80568936), (9, 71616832), (12, 53712624), (14, 46039392), (16, 40284468), (18, 35808416), (21, 30692928), (24, 26856312), (28, 23019696), (32, 20142234), (36, 17904208), (41, 15720768), (42, 15346464), (48, 13428156), (49, 13154112), (56, 11509848), (63, 10230976), (64, 10071117), (72, 8952104), (82, 7860384), (84, 7673232), (96, 6714078), (98, 6577056), (112, 5754924), (123, 5240256), (126, 5115488), (144, 4476052), (147, 4384704), (164, 3930192), (168, 3836616), (192, 3357039), (196, 3288528), (224, 2877462), (246, 2620128), (252, 2557744), (287, 2245824), (288, 2238026), (294, 2192352), (328, 1965096), (336, 1918308), (369, 1746752), (392, 1644264), (441, 1461568), (448, 1438731), (492, 1310064), (504, 1278872), (557, 1157184), (574, 1122912), (576, 1119013), (588, 1096176), (656, 982548), (672, 959154), (738, 873376), (784, 822132), (861, 748608), (882, 730784), (984, 655032), (1008, 639436), (1114, 578592), (1148, 561456), (1176, 548088), (1312, 491274), (1344, 479577), (1476, 436688), (1568, 411066), (1671, 385728), (1722, 374304), (1764, 365392), (1968, 327516), (2009, 320832), (2016, 319718), (2228, 289296), (2296, 280728), (2352, 274044), (2583, 249536), (2624, 245637), (2952, 218344), (3136, 205533), (3342, 192864), (3444, 187152), (3528, 182696), (3899, 165312), (3936, 163758), (4018, 160416), (4032, 159859), (4456, 144648), (4592, 140364), (4704, 137022), (5013, 128576), (5166, 124768), (5904, 109172), (6027, 106944), (6684, 96432), (6888, 93576), (7056, 91348), (7798, 82656), (7872, 81879), (8036, 80208), (8912, 72324), (9184, 70182), (9408, 68511), (10026, 64288), (10332, 62384), (11697, 55104), (11808, 54586), (12054, 53472), (13368, 48216), (13776, 46788), (14112, 45674), (15596, 41328), (16072, 40104), (17824, 36162), (18081, 35648), (18368, 35091), (20052, 32144), (20664, 31192), (22837, 28224), (23394, 27552), (23616, 27293), (24108, 26736)]