939272080

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1\times {\mathrm{449}}^1$

素因数の和:872

約数の個数: 80

約数和(自身を含む): 2223072000

約数和(自身を除く): 1283799920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 331, 395, 449, 632, 662, 790, 898, 1264, 1324, 1580, 1655, 1796, 2245, 2648, 3160, 3310, 3592, 4490, 5296, 6320, 6620, 7184, 8980, 13240, 17960, 26149, 26480, 35471, 35920, 52298, 70942, 104596, 130745, 141884, 148619, 177355, 209192, 261490, 283768, 297238, 354710, 418384, 522980, 567536, 594476, 709420, 743095, 1045960, 1188952, 1418840, 1486190, 2091920, 2377904, 2837680, 2972380, 5944760, 11740901, 11889520, 23481802, 46963604, 58704505, 93927208, 117409010, 187854416, 234818020, 469636040, 939272080]

約数ペア:

[(1, 939272080), (2, 469636040), (4, 234818020), (5, 187854416), (8, 117409010), (10, 93927208), (16, 58704505), (20, 46963604), (40, 23481802), (79, 11889520), (80, 11740901), (158, 5944760), (316, 2972380), (331, 2837680), (395, 2377904), (449, 2091920), (632, 1486190), (662, 1418840), (790, 1188952), (898, 1045960), (1264, 743095), (1324, 709420), (1580, 594476), (1655, 567536), (1796, 522980), (2245, 418384), (2648, 354710), (3160, 297238), (3310, 283768), (3592, 261490), (4490, 209192), (5296, 177355), (6320, 148619), (6620, 141884), (7184, 130745), (8980, 104596), (13240, 70942), (17960, 52298), (26149, 35920), (26480, 35471)]