8487272440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1\times {\mathrm{397}}^1$

素因数の和:785

約数の個数: 128

約数和(自身を含む): 20503368000

約数和(自身を除く): 12016095560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 149, 170, 211, 298, 340, 397, 422, 596, 680, 745, 794, 844, 1055, 1192, 1490, 1588, 1688, 1985, 2110, 2533, 2980, 3176, 3587, 3970, 4220, 5066, 5960, 6749, 7174, 7940, 8440, 10132, 12665, 13498, 14348, 15880, 17935, 20264, 25330, 26996, 28696, 31439, 33745, 35870, 50660, 53992, 59153, 62878, 67490, 71740, 83767, 101320, 118306, 125756, 134980, 143480, 157195, 167534, 236612, 251512, 269960, 295765, 314390, 335068, 418835, 473224, 534463, 591530, 628780, 670136, 837670, 1005601, 1068926, 1183060, 1257560, 1424039, 1675340, 2011202, 2137852, 2366120, 2672315, 2848078, 3350680, 4022404, 4275704, 5028005, 5344630, 5696156, 7120195, 8044808, 10056010, 10689260, 11392312, 12481283, 14240390, 20112020, 21378520, 24962566, 28480780, 40224040, 49925132, 56961560, 62406415, 99850264, 124812830, 212181811, 249625660, 424363622, 499251320, 848727244, 1060909055, 1697454488, 2121818110, 4243636220, 8487272440]

約数ペア:

[(1, 8487272440), (2, 4243636220), (4, 2121818110), (5, 1697454488), (8, 1060909055), (10, 848727244), (17, 499251320), (20, 424363622), (34, 249625660), (40, 212181811), (68, 124812830), (85, 99850264), (136, 62406415), (149, 56961560), (170, 49925132), (211, 40224040), (298, 28480780), (340, 24962566), (397, 21378520), (422, 20112020), (596, 14240390), (680, 12481283), (745, 11392312), (794, 10689260), (844, 10056010), (1055, 8044808), (1192, 7120195), (1490, 5696156), (1588, 5344630), (1688, 5028005), (1985, 4275704), (2110, 4022404), (2533, 3350680), (2980, 2848078), (3176, 2672315), (3587, 2366120), (3970, 2137852), (4220, 2011202), (5066, 1675340), (5960, 1424039), (6749, 1257560), (7174, 1183060), (7940, 1068926), (8440, 1005601), (10132, 837670), (12665, 670136), (13498, 628780), (14348, 591530), (15880, 534463), (17935, 473224), (20264, 418835), (25330, 335068), (26996, 314390), (28696, 295765), (31439, 269960), (33745, 251512), (35870, 236612), (50660, 167534), (53992, 157195), (59153, 143480), (62878, 134980), (67490, 125756), (71740, 118306), (83767, 101320)]