87781680

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{17417}}^1$

素因数の和:17443

約数の個数: 120

約数和(自身を含む): 336933792

約数和(自身を除く): 249152112

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 17417, 34834, 52251, 69668, 87085, 104502, 121919, 139336, 156753, 174170, 209004, 243838, 261255, 278672, 313506, 348340, 365757, 418008, 487676, 522510, 609595, 627012, 696680, 731514, 783765, 836016, 975352, 1045020, 1097271, 1219190, 1254024, 1393360, 1463028, 1567530, 1828785, 1950704, 2090040, 2194542, 2438380, 2508048, 2926056, 3135060, 3657570, 4180080, 4389084, 4876760, 5486355, 5852112, 6270120, 7315140, 8778168, 9753520, 10972710, 12540240, 14630280, 17556336, 21945420, 29260560, 43890840, 87781680]

約数ペア:

[(1, 87781680), (2, 43890840), (3, 29260560), (4, 21945420), (5, 17556336), (6, 14630280), (7, 12540240), (8, 10972710), (9, 9753520), (10, 8778168), (12, 7315140), (14, 6270120), (15, 5852112), (16, 5486355), (18, 4876760), (20, 4389084), (21, 4180080), (24, 3657570), (28, 3135060), (30, 2926056), (35, 2508048), (36, 2438380), (40, 2194542), (42, 2090040), (45, 1950704), (48, 1828785), (56, 1567530), (60, 1463028), (63, 1393360), (70, 1254024), (72, 1219190), (80, 1097271), (84, 1045020), (90, 975352), (105, 836016), (112, 783765), (120, 731514), (126, 696680), (140, 627012), (144, 609595), (168, 522510), (180, 487676), (210, 418008), (240, 365757), (252, 348340), (280, 313506), (315, 278672), (336, 261255), (360, 243838), (420, 209004), (504, 174170), (560, 156753), (630, 139336), (720, 121919), (840, 104502), (1008, 87085), (1260, 69668), (1680, 52251), (2520, 34834), (5040, 17417)]