28160140920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^2\times {\mathrm{1979}}^1$

素因数の和:2170

約数の個数: 192

約数和(自身を含む): 90112176000

約数和(自身を除く): 61952035080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 79, 95, 114, 120, 152, 158, 190, 228, 237, 285, 316, 380, 395, 456, 474, 570, 632, 760, 790, 948, 1140, 1185, 1501, 1580, 1896, 1979, 2280, 2370, 3002, 3160, 3958, 4503, 4740, 5937, 6004, 6241, 7505, 7916, 9006, 9480, 9895, 11874, 12008, 12482, 15010, 15832, 18012, 18723, 19790, 22515, 23748, 24964, 29685, 30020, 31205, 36024, 37446, 37601, 39580, 45030, 47496, 49928, 59370, 60040, 62410, 74892, 75202, 79160, 90060, 93615, 112803, 118579, 118740, 124820, 149784, 150404, 156341, 180120, 187230, 188005, 225606, 237158, 237480, 249640, 300808, 312682, 355737, 374460, 376010, 451212, 469023, 474316, 564015, 592895, 625364, 711474, 748920, 752020, 781705, 902424, 938046, 948632, 1128030, 1185790, 1250728, 1422948, 1504040, 1563410, 1778685, 1876092, 2256060, 2345115, 2371580, 2845896, 2970479, 3126820, 3557370, 3752184, 4512120, 4690230, 4743160, 5940958, 6253640, 7114740, 8911437, 9380460, 11881916, 12350939, 14229480, 14852395, 17822874, 18760920, 23763832, 24701878, 29704790, 35645748, 37052817, 44557185, 49403756, 59409580, 61754695, 71291496, 74105634, 89114370, 98807512, 118819160, 123509390, 148211268, 178228740, 185264085, 234667841, 247018780, 296422536, 356457480, 370528170, 469335682, 494037560, 704003523, 741056340, 938671364, 1173339205, 1408007046, 1482112680, 1877342728, 2346678410, 2816014092, 3520017615, 4693356820, 5632028184, 7040035230, 9386713640, 14080070460, 28160140920]

約数ペア:

[(1, 28160140920), (2, 14080070460), (3, 9386713640), (4, 7040035230), (5, 5632028184), (6, 4693356820), (8, 3520017615), (10, 2816014092), (12, 2346678410), (15, 1877342728), (19, 1482112680), (20, 1408007046), (24, 1173339205), (30, 938671364), (38, 741056340), (40, 704003523), (57, 494037560), (60, 469335682), (76, 370528170), (79, 356457480), (95, 296422536), (114, 247018780), (120, 234667841), (152, 185264085), (158, 178228740), (190, 148211268), (228, 123509390), (237, 118819160), (285, 98807512), (316, 89114370), (380, 74105634), (395, 71291496), (456, 61754695), (474, 59409580), (570, 49403756), (632, 44557185), (760, 37052817), (790, 35645748), (948, 29704790), (1140, 24701878), (1185, 23763832), (1501, 18760920), (1580, 17822874), (1896, 14852395), (1979, 14229480), (2280, 12350939), (2370, 11881916), (3002, 9380460), (3160, 8911437), (3958, 7114740), (4503, 6253640), (4740, 5940958), (5937, 4743160), (6004, 4690230), (6241, 4512120), (7505, 3752184), (7916, 3557370), (9006, 3126820), (9480, 2970479), (9895, 2845896), (11874, 2371580), (12008, 2345115), (12482, 2256060), (15010, 1876092), (15832, 1778685), (18012, 1563410), (18723, 1504040), (19790, 1422948), (22515, 1250728), (23748, 1185790), (24964, 1128030), (29685, 948632), (30020, 938046), (31205, 902424), (36024, 781705), (37446, 752020), (37601, 748920), (39580, 711474), (45030, 625364), (47496, 592895), (49928, 564015), (59370, 474316), (60040, 469023), (62410, 451212), (74892, 376010), (75202, 374460), (79160, 355737), (90060, 312682), (93615, 300808), (112803, 249640), (118579, 237480), (118740, 237158), (124820, 225606), (149784, 188005), (150404, 187230), (156341, 180120)]