87139920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{51869}}^1$

素因数の和:51892

約数の個数: 80

約数和(自身を含む): 308730240

約数和(自身を除く): 221590320

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, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 51869, 103738, 155607, 207476, 259345, 311214, 363083, 414952, 518690, 622428, 726166, 778035, 829904, 1037380, 1089249, 1244856, 1452332, 1556070, 1815415, 2074760, 2178498, 2489712, 2904664, 3112140, 3630830, 4149520, 4356996, 5446245, 5809328, 6224280, 7261660, 8713992, 10892490, 12448560, 14523320, 17427984, 21784980, 29046640, 43569960, 87139920]

約数ペア:

[(1, 87139920), (2, 43569960), (3, 29046640), (4, 21784980), (5, 17427984), (6, 14523320), (7, 12448560), (8, 10892490), (10, 8713992), (12, 7261660), (14, 6224280), (15, 5809328), (16, 5446245), (20, 4356996), (21, 4149520), (24, 3630830), (28, 3112140), (30, 2904664), (35, 2489712), (40, 2178498), (42, 2074760), (48, 1815415), (56, 1556070), (60, 1452332), (70, 1244856), (80, 1089249), (84, 1037380), (105, 829904), (112, 778035), (120, 726166), (140, 622428), (168, 518690), (210, 414952), (240, 363083), (280, 311214), (336, 259345), (420, 207476), (560, 155607), (840, 103738), (1680, 51869)]