121360640

素因数分解:

$2^8\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1607}}^1$

素因数の和:1687

約数の個数: 72

約数和(自身を含む): 295807680

約数和(自身を除く): 174447040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 80, 118, 128, 160, 236, 256, 295, 320, 472, 590, 640, 944, 1180, 1280, 1607, 1888, 2360, 3214, 3776, 4720, 6428, 7552, 8035, 9440, 12856, 15104, 16070, 18880, 25712, 32140, 37760, 51424, 64280, 75520, 94813, 102848, 128560, 189626, 205696, 257120, 379252, 411392, 474065, 514240, 758504, 948130, 1028480, 1517008, 1896260, 2056960, 3034016, 3792520, 6068032, 7585040, 12136064, 15170080, 24272128, 30340160, 60680320, 121360640]

約数ペア:

[(1, 121360640), (2, 60680320), (4, 30340160), (5, 24272128), (8, 15170080), (10, 12136064), (16, 7585040), (20, 6068032), (32, 3792520), (40, 3034016), (59, 2056960), (64, 1896260), (80, 1517008), (118, 1028480), (128, 948130), (160, 758504), (236, 514240), (256, 474065), (295, 411392), (320, 379252), (472, 257120), (590, 205696), (640, 189626), (944, 128560), (1180, 102848), (1280, 94813), (1607, 75520), (1888, 64280), (2360, 51424), (3214, 37760), (3776, 32140), (4720, 25712), (6428, 18880), (7552, 16070), (8035, 15104), (9440, 12856)]