645311968

素因数分解:

$2^5\times 7^4\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:302

約数の個数: 120

約数和(自身を含む): 1528875432

約数和(自身を除く): 883563464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 49, 56, 74, 98, 112, 148, 196, 224, 227, 259, 296, 343, 392, 454, 518, 592, 686, 784, 908, 1036, 1184, 1372, 1568, 1589, 1813, 1816, 2072, 2401, 2744, 3178, 3626, 3632, 4144, 4802, 5488, 6356, 7252, 7264, 8288, 8399, 9604, 10976, 11123, 12691, 12712, 14504, 16798, 19208, 22246, 25382, 25424, 29008, 33596, 38416, 44492, 50764, 50848, 58016, 58793, 67192, 76832, 77861, 88837, 88984, 101528, 117586, 134384, 155722, 177674, 177968, 203056, 235172, 268768, 311444, 355348, 355936, 406112, 411551, 470344, 545027, 622888, 710696, 823102, 940688, 1090054, 1245776, 1421392, 1646204, 1881376, 2180108, 2491552, 2842784, 2880857, 3292408, 4360216, 5761714, 6584816, 8720432, 11523428, 13169632, 17440864, 20165999, 23046856, 40331998, 46093712, 80663996, 92187424, 161327992, 322655984, 645311968]

約数ペア:

[(1, 645311968), (2, 322655984), (4, 161327992), (7, 92187424), (8, 80663996), (14, 46093712), (16, 40331998), (28, 23046856), (32, 20165999), (37, 17440864), (49, 13169632), (56, 11523428), (74, 8720432), (98, 6584816), (112, 5761714), (148, 4360216), (196, 3292408), (224, 2880857), (227, 2842784), (259, 2491552), (296, 2180108), (343, 1881376), (392, 1646204), (454, 1421392), (518, 1245776), (592, 1090054), (686, 940688), (784, 823102), (908, 710696), (1036, 622888), (1184, 545027), (1372, 470344), (1568, 411551), (1589, 406112), (1813, 355936), (1816, 355348), (2072, 311444), (2401, 268768), (2744, 235172), (3178, 203056), (3626, 177968), (3632, 177674), (4144, 155722), (4802, 134384), (5488, 117586), (6356, 101528), (7252, 88984), (7264, 88837), (8288, 77861), (8399, 76832), (9604, 67192), (10976, 58793), (11123, 58016), (12691, 50848), (12712, 50764), (14504, 44492), (16798, 38416), (19208, 33596), (22246, 29008), (25382, 25424)]