87471440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8221}}^1$

素因数の和:8260

約数の個数: 80

約数和(自身を含む): 244686720

約数和(自身を除く): 157215280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 8221, 10640, 16442, 32884, 41105, 57547, 65768, 82210, 115094, 131536, 156199, 164420, 230188, 287735, 312398, 328840, 460376, 575470, 624796, 657680, 780995, 920752, 1093393, 1150940, 1249592, 1561990, 2186786, 2301880, 2499184, 3123980, 4373572, 4603760, 5466965, 6247960, 8747144, 10933930, 12495920, 17494288, 21867860, 43735720, 87471440]

約数ペア:

[(1, 87471440), (2, 43735720), (4, 21867860), (5, 17494288), (7, 12495920), (8, 10933930), (10, 8747144), (14, 6247960), (16, 5466965), (19, 4603760), (20, 4373572), (28, 3123980), (35, 2499184), (38, 2301880), (40, 2186786), (56, 1561990), (70, 1249592), (76, 1150940), (80, 1093393), (95, 920752), (112, 780995), (133, 657680), (140, 624796), (152, 575470), (190, 460376), (266, 328840), (280, 312398), (304, 287735), (380, 230188), (532, 164420), (560, 156199), (665, 131536), (760, 115094), (1064, 82210), (1330, 65768), (1520, 57547), (2128, 41105), (2660, 32884), (5320, 16442), (8221, 10640)]