30807440

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:240

約数の個数: 80

約数和(自身を含む): 74727360

約数和(自身を除く): 43919920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 61, 80, 107, 118, 122, 214, 236, 244, 295, 305, 428, 472, 488, 535, 590, 610, 856, 944, 976, 1070, 1180, 1220, 1712, 2140, 2360, 2440, 3599, 4280, 4720, 4880, 6313, 6527, 7198, 8560, 12626, 13054, 14396, 17995, 25252, 26108, 28792, 31565, 32635, 35990, 50504, 52216, 57584, 63130, 65270, 71980, 101008, 104432, 126260, 130540, 143960, 252520, 261080, 287920, 385093, 505040, 522160, 770186, 1540372, 1925465, 3080744, 3850930, 6161488, 7701860, 15403720, 30807440]

約数ペア:

[(1, 30807440), (2, 15403720), (4, 7701860), (5, 6161488), (8, 3850930), (10, 3080744), (16, 1925465), (20, 1540372), (40, 770186), (59, 522160), (61, 505040), (80, 385093), (107, 287920), (118, 261080), (122, 252520), (214, 143960), (236, 130540), (244, 126260), (295, 104432), (305, 101008), (428, 71980), (472, 65270), (488, 63130), (535, 57584), (590, 52216), (610, 50504), (856, 35990), (944, 32635), (976, 31565), (1070, 28792), (1180, 26108), (1220, 25252), (1712, 17995), (2140, 14396), (2360, 13054), (2440, 12626), (3599, 8560), (4280, 7198), (4720, 6527), (4880, 6313)]