149403520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{33349}}^1$

素因数の和:33375

約数の個数: 64

約数和(自身を含む): 408204000

約数和(自身を除く): 258800480

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, 33349, 66698, 133396, 166745, 233443, 266792, 333490, 466886, 533584, 666980, 933772, 1067168, 1167215, 1333960, 1867544, 2134336, 2334430, 2667920, 3735088, 4268672, 4668860, 5335840, 7470176, 9337720, 10671680, 14940352, 18675440, 21343360, 29880704, 37350880, 74701760, 149403520]

約数ペア:

[(1, 149403520), (2, 74701760), (4, 37350880), (5, 29880704), (7, 21343360), (8, 18675440), (10, 14940352), (14, 10671680), (16, 9337720), (20, 7470176), (28, 5335840), (32, 4668860), (35, 4268672), (40, 3735088), (56, 2667920), (64, 2334430), (70, 2134336), (80, 1867544), (112, 1333960), (128, 1167215), (140, 1067168), (160, 933772), (224, 666980), (280, 533584), (320, 466886), (448, 333490), (560, 266792), (640, 233443), (896, 166745), (1120, 133396), (2240, 66698), (4480, 33349)]