639255456

素因数分解:

$2^5\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5563}}^1$

素因数の和:5608

約数の個数: 192

約数和(自身を含む): 2243404800

約数和(自身を除く): 1604149344

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 27, 28, 32, 36, 38, 42, 48, 54, 56, 57, 63, 72, 76, 84, 96, 108, 112, 114, 126, 133, 144, 152, 168, 171, 189, 216, 224, 228, 252, 266, 288, 304, 336, 342, 378, 399, 432, 456, 504, 513, 532, 608, 672, 684, 756, 798, 864, 912, 1008, 1026, 1064, 1197, 1368, 1512, 1596, 1824, 2016, 2052, 2128, 2394, 2736, 3024, 3192, 3591, 4104, 4256, 4788, 5472, 5563, 6048, 6384, 7182, 8208, 9576, 11126, 12768, 14364, 16416, 16689, 19152, 22252, 28728, 33378, 38304, 38941, 44504, 50067, 57456, 66756, 77882, 89008, 100134, 105697, 114912, 116823, 133512, 150201, 155764, 178016, 200268, 211394, 233646, 267024, 300402, 311528, 317091, 350469, 400536, 422788, 467292, 534048, 600804, 623056, 634182, 700938, 739879, 801072, 845576, 934584, 951273, 1051407, 1201608, 1246112, 1268364, 1401876, 1479758, 1602144, 1691152, 1869168, 1902546, 2102814, 2219637, 2403216, 2536728, 2803752, 2853819, 2959516, 3382304, 3738336, 3805092, 4205628, 4439274, 4806432, 5073456, 5607504, 5707638, 5919032, 6658911, 7610184, 8411256, 8878548, 10146912, 11215008, 11415276, 11838064, 13317822, 15220368, 16822512, 17757096, 19976733, 22830552, 23676128, 26635644, 30440736, 33645024, 35514192, 39953466, 45661104, 53271288, 71028384, 79906932, 91322208, 106542576, 159813864, 213085152, 319627728, 639255456]

約数ペア:

[(1, 639255456), (2, 319627728), (3, 213085152), (4, 159813864), (6, 106542576), (7, 91322208), (8, 79906932), (9, 71028384), (12, 53271288), (14, 45661104), (16, 39953466), (18, 35514192), (19, 33645024), (21, 30440736), (24, 26635644), (27, 23676128), (28, 22830552), (32, 19976733), (36, 17757096), (38, 16822512), (42, 15220368), (48, 13317822), (54, 11838064), (56, 11415276), (57, 11215008), (63, 10146912), (72, 8878548), (76, 8411256), (84, 7610184), (96, 6658911), (108, 5919032), (112, 5707638), (114, 5607504), (126, 5073456), (133, 4806432), (144, 4439274), (152, 4205628), (168, 3805092), (171, 3738336), (189, 3382304), (216, 2959516), (224, 2853819), (228, 2803752), (252, 2536728), (266, 2403216), (288, 2219637), (304, 2102814), (336, 1902546), (342, 1869168), (378, 1691152), (399, 1602144), (432, 1479758), (456, 1401876), (504, 1268364), (513, 1246112), (532, 1201608), (608, 1051407), (672, 951273), (684, 934584), (756, 845576), (798, 801072), (864, 739879), (912, 700938), (1008, 634182), (1026, 623056), (1064, 600804), (1197, 534048), (1368, 467292), (1512, 422788), (1596, 400536), (1824, 350469), (2016, 317091), (2052, 311528), (2128, 300402), (2394, 267024), (2736, 233646), (3024, 211394), (3192, 200268), (3591, 178016), (4104, 155764), (4256, 150201), (4788, 133512), (5472, 116823), (5563, 114912), (6048, 105697), (6384, 100134), (7182, 89008), (8208, 77882), (9576, 66756), (11126, 57456), (12768, 50067), (14364, 44504), (16416, 38941), (16689, 38304), (19152, 33378), (22252, 28728)]