123428480

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{27551}}^1$

素因数の和:27577

約数の個数: 64

約数和(自身を含む): 337236480

約数和(自身を除く): 213808000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 27551, 55102, 110204, 137755, 192857, 220408, 275510, 385714, 440816, 551020, 771428, 881632, 964285, 1102040, 1542856, 1763264, 1928570, 2204080, 3085712, 3526528, 3857140, 4408160, 6171424, 7714280, 8816320, 12342848, 15428560, 17632640, 24685696, 30857120, 61714240, 123428480]

約数ペア:

[(1, 123428480), (2, 61714240), (4, 30857120), (5, 24685696), (7, 17632640), (8, 15428560), (10, 12342848), (14, 8816320), (16, 7714280), (20, 6171424), (28, 4408160), (32, 3857140), (35, 3526528), (40, 3085712), (56, 2204080), (64, 1928570), (70, 1763264), (80, 1542856), (112, 1102040), (128, 964285), (140, 881632), (160, 771428), (224, 551020), (280, 440816), (320, 385714), (448, 275510), (560, 220408), (640, 192857), (896, 137755), (1120, 110204), (2240, 55102), (4480, 27551)]