80330404

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:138

約数の個数: 144

約数和(自身を含む): 196499520

約数和(自身を除く): 116169116

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 37, 38, 44, 49, 53, 74, 76, 77, 98, 106, 133, 148, 154, 196, 209, 212, 259, 266, 308, 371, 407, 418, 518, 532, 539, 583, 703, 742, 814, 836, 931, 1007, 1036, 1078, 1166, 1406, 1463, 1484, 1628, 1813, 1862, 1961, 2014, 2156, 2332, 2597, 2812, 2849, 2926, 3626, 3724, 3922, 4028, 4081, 4921, 5194, 5698, 5852, 7049, 7252, 7733, 7844, 8162, 9842, 10241, 10388, 11077, 11396, 13727, 14098, 15466, 16324, 19684, 19943, 20482, 21571, 22154, 27454, 28196, 28567, 30932, 34447, 37259, 39886, 40964, 43142, 44308, 49343, 54131, 54908, 57134, 68894, 74518, 77539, 79772, 86284, 96089, 98686, 108262, 114268, 137788, 149036, 150997, 155078, 192178, 197372, 216524, 260813, 301994, 310156, 378917, 384356, 409849, 521626, 542773, 603988, 757834, 819698, 1043252, 1056979, 1085546, 1515668, 1639396, 1825691, 2113958, 2171092, 2868943, 3651382, 4227916, 5737886, 7302764, 11475772, 20082601, 40165202, 80330404]

約数ペア:

[(1, 80330404), (2, 40165202), (4, 20082601), (7, 11475772), (11, 7302764), (14, 5737886), (19, 4227916), (22, 3651382), (28, 2868943), (37, 2171092), (38, 2113958), (44, 1825691), (49, 1639396), (53, 1515668), (74, 1085546), (76, 1056979), (77, 1043252), (98, 819698), (106, 757834), (133, 603988), (148, 542773), (154, 521626), (196, 409849), (209, 384356), (212, 378917), (259, 310156), (266, 301994), (308, 260813), (371, 216524), (407, 197372), (418, 192178), (518, 155078), (532, 150997), (539, 149036), (583, 137788), (703, 114268), (742, 108262), (814, 98686), (836, 96089), (931, 86284), (1007, 79772), (1036, 77539), (1078, 74518), (1166, 68894), (1406, 57134), (1463, 54908), (1484, 54131), (1628, 49343), (1813, 44308), (1862, 43142), (1961, 40964), (2014, 39886), (2156, 37259), (2332, 34447), (2597, 30932), (2812, 28567), (2849, 28196), (2926, 27454), (3626, 22154), (3724, 21571), (3922, 20482), (4028, 19943), (4081, 19684), (4921, 16324), (5194, 15466), (5698, 14098), (5852, 13727), (7049, 11396), (7252, 11077), (7733, 10388), (7844, 10241), (8162, 9842)]