1638520128

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{13109}}^1$

素因数の和:13165

約数の個数: 168

約数和(自身を含む): 5541020160

約数和(自身を除く): 3902500032

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 32, 36, 42, 48, 56, 62, 63, 64, 72, 84, 93, 96, 112, 124, 126, 144, 168, 186, 192, 217, 224, 248, 252, 279, 288, 336, 372, 434, 448, 496, 504, 558, 576, 651, 672, 744, 868, 992, 1008, 1116, 1302, 1344, 1488, 1736, 1953, 1984, 2016, 2232, 2604, 2976, 3472, 3906, 4032, 4464, 5208, 5952, 6944, 7812, 8928, 10416, 13109, 13888, 15624, 17856, 20832, 26218, 31248, 39327, 41664, 52436, 62496, 78654, 91763, 104872, 117981, 124992, 157308, 183526, 209744, 235962, 275289, 314616, 367052, 406379, 419488, 471924, 550578, 629232, 734104, 812758, 825867, 838976, 943848, 1101156, 1219137, 1258464, 1468208, 1625516, 1651734, 1887696, 2202312, 2438274, 2516928, 2844653, 2936416, 3251032, 3303468, 3657411, 3775392, 4404624, 4876548, 5689306, 5872832, 6502064, 6606936, 7314822, 7550784, 8533959, 8809248, 9753096, 11378612, 13004128, 13213872, 14629644, 17067918, 17618496, 19506192, 22757224, 25601877, 26008256, 26427744, 29259288, 34135836, 39012384, 45514448, 51203754, 52855488, 58518576, 68271672, 78024768, 91028896, 102407508, 117037152, 136543344, 182057792, 204815016, 234074304, 273086688, 409630032, 546173376, 819260064, 1638520128]

約数ペア:

[(1, 1638520128), (2, 819260064), (3, 546173376), (4, 409630032), (6, 273086688), (7, 234074304), (8, 204815016), (9, 182057792), (12, 136543344), (14, 117037152), (16, 102407508), (18, 91028896), (21, 78024768), (24, 68271672), (28, 58518576), (31, 52855488), (32, 51203754), (36, 45514448), (42, 39012384), (48, 34135836), (56, 29259288), (62, 26427744), (63, 26008256), (64, 25601877), (72, 22757224), (84, 19506192), (93, 17618496), (96, 17067918), (112, 14629644), (124, 13213872), (126, 13004128), (144, 11378612), (168, 9753096), (186, 8809248), (192, 8533959), (217, 7550784), (224, 7314822), (248, 6606936), (252, 6502064), (279, 5872832), (288, 5689306), (336, 4876548), (372, 4404624), (434, 3775392), (448, 3657411), (496, 3303468), (504, 3251032), (558, 2936416), (576, 2844653), (651, 2516928), (672, 2438274), (744, 2202312), (868, 1887696), (992, 1651734), (1008, 1625516), (1116, 1468208), (1302, 1258464), (1344, 1219137), (1488, 1101156), (1736, 943848), (1953, 838976), (1984, 825867), (2016, 812758), (2232, 734104), (2604, 629232), (2976, 550578), (3472, 471924), (3906, 419488), (4032, 406379), (4464, 367052), (5208, 314616), (5952, 275289), (6944, 235962), (7812, 209744), (8928, 183526), (10416, 157308), (13109, 124992), (13888, 117981), (15624, 104872), (17856, 91763), (20832, 78654), (26218, 62496), (31248, 52436), (39327, 41664)]