30801920

素因数分解:

$2^{17}\times 5^1\times {\mathrm{47}}^1$

素因数の和:86

約数の個数: 72

約数和(自身を含む): 75497184

約数和(自身を除く): 44695264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 256, 320, 376, 470, 512, 640, 752, 940, 1024, 1280, 1504, 1880, 2048, 2560, 3008, 3760, 4096, 5120, 6016, 7520, 8192, 10240, 12032, 15040, 16384, 20480, 24064, 30080, 32768, 40960, 48128, 60160, 65536, 81920, 96256, 120320, 131072, 163840, 192512, 240640, 327680, 385024, 481280, 655360, 770048, 962560, 1540096, 1925120, 3080192, 3850240, 6160384, 7700480, 15400960, 30801920]

約数ペア:

[(1, 30801920), (2, 15400960), (4, 7700480), (5, 6160384), (8, 3850240), (10, 3080192), (16, 1925120), (20, 1540096), (32, 962560), (40, 770048), (47, 655360), (64, 481280), (80, 385024), (94, 327680), (128, 240640), (160, 192512), (188, 163840), (235, 131072), (256, 120320), (320, 96256), (376, 81920), (470, 65536), (512, 60160), (640, 48128), (752, 40960), (940, 32768), (1024, 30080), (1280, 24064), (1504, 20480), (1880, 16384), (2048, 15040), (2560, 12032), (3008, 10240), (3760, 8192), (4096, 7520), (5120, 6016)]