81377520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{821}}^1$

素因数の和:903

約数の個数: 160

約数和(自身を含む): 293552640

約数和(自身を除く): 212175120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 59, 60, 70, 80, 84, 105, 112, 118, 120, 140, 168, 177, 210, 236, 240, 280, 295, 336, 354, 413, 420, 472, 560, 590, 708, 821, 826, 840, 885, 944, 1180, 1239, 1416, 1642, 1652, 1680, 1770, 2065, 2360, 2463, 2478, 2832, 3284, 3304, 3540, 4105, 4130, 4720, 4926, 4956, 5747, 6195, 6568, 6608, 7080, 8210, 8260, 9852, 9912, 11494, 12315, 12390, 13136, 14160, 16420, 16520, 17241, 19704, 19824, 22988, 24630, 24780, 28735, 32840, 33040, 34482, 39408, 45976, 48439, 49260, 49560, 57470, 65680, 68964, 86205, 91952, 96878, 98520, 99120, 114940, 137928, 145317, 172410, 193756, 197040, 229880, 242195, 275856, 290634, 339073, 344820, 387512, 459760, 484390, 581268, 678146, 689640, 726585, 775024, 968780, 1017219, 1162536, 1356292, 1379280, 1453170, 1695365, 1937560, 2034438, 2325072, 2712584, 2906340, 3390730, 3875120, 4068876, 5086095, 5425168, 5812680, 6781460, 8137752, 10172190, 11625360, 13562920, 16275504, 20344380, 27125840, 40688760, 81377520]

約数ペア:

[(1, 81377520), (2, 40688760), (3, 27125840), (4, 20344380), (5, 16275504), (6, 13562920), (7, 11625360), (8, 10172190), (10, 8137752), (12, 6781460), (14, 5812680), (15, 5425168), (16, 5086095), (20, 4068876), (21, 3875120), (24, 3390730), (28, 2906340), (30, 2712584), (35, 2325072), (40, 2034438), (42, 1937560), (48, 1695365), (56, 1453170), (59, 1379280), (60, 1356292), (70, 1162536), (80, 1017219), (84, 968780), (105, 775024), (112, 726585), (118, 689640), (120, 678146), (140, 581268), (168, 484390), (177, 459760), (210, 387512), (236, 344820), (240, 339073), (280, 290634), (295, 275856), (336, 242195), (354, 229880), (413, 197040), (420, 193756), (472, 172410), (560, 145317), (590, 137928), (708, 114940), (821, 99120), (826, 98520), (840, 96878), (885, 91952), (944, 86205), (1180, 68964), (1239, 65680), (1416, 57470), (1642, 49560), (1652, 49260), (1680, 48439), (1770, 45976), (2065, 39408), (2360, 34482), (2463, 33040), (2478, 32840), (2832, 28735), (3284, 24780), (3304, 24630), (3540, 22988), (4105, 19824), (4130, 19704), (4720, 17241), (4926, 16520), (4956, 16420), (5747, 14160), (6195, 13136), (6568, 12390), (6608, 12315), (7080, 11494), (8210, 9912), (8260, 9852)]