78870120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{93893}}^1$

素因数の和:93914

約数の個数: 64

約数和(自身を含む): 270414720

約数和(自身を除く): 191544600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 93893, 187786, 281679, 375572, 469465, 563358, 657251, 751144, 938930, 1126716, 1314502, 1408395, 1877860, 1971753, 2253432, 2629004, 2816790, 3286255, 3755720, 3943506, 5258008, 5633580, 6572510, 7887012, 9858765, 11267160, 13145020, 15774024, 19717530, 26290040, 39435060, 78870120]

約数ペア:

[(1, 78870120), (2, 39435060), (3, 26290040), (4, 19717530), (5, 15774024), (6, 13145020), (7, 11267160), (8, 9858765), (10, 7887012), (12, 6572510), (14, 5633580), (15, 5258008), (20, 3943506), (21, 3755720), (24, 3286255), (28, 2816790), (30, 2629004), (35, 2253432), (40, 1971753), (42, 1877860), (56, 1408395), (60, 1314502), (70, 1126716), (84, 938930), (105, 751144), (120, 657251), (140, 563358), (168, 469465), (210, 375572), (280, 281679), (420, 187786), (840, 93893)]