72581120

素因数分解:

$2^{15}\times 5^1\times {\mathrm{443}}^1$

素因数の和:478

約数の個数: 64

約数和(自身を含む): 174585240

約数和(自身を除く): 102004120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 443, 512, 640, 886, 1024, 1280, 1772, 2048, 2215, 2560, 3544, 4096, 4430, 5120, 7088, 8192, 8860, 10240, 14176, 16384, 17720, 20480, 28352, 32768, 35440, 40960, 56704, 70880, 81920, 113408, 141760, 163840, 226816, 283520, 453632, 567040, 907264, 1134080, 1814528, 2268160, 3629056, 4536320, 7258112, 9072640, 14516224, 18145280, 36290560, 72581120]

約数ペア:

[(1, 72581120), (2, 36290560), (4, 18145280), (5, 14516224), (8, 9072640), (10, 7258112), (16, 4536320), (20, 3629056), (32, 2268160), (40, 1814528), (64, 1134080), (80, 907264), (128, 567040), (160, 453632), (256, 283520), (320, 226816), (443, 163840), (512, 141760), (640, 113408), (886, 81920), (1024, 70880), (1280, 56704), (1772, 40960), (2048, 35440), (2215, 32768), (2560, 28352), (3544, 20480), (4096, 17720), (4430, 16384), (5120, 14176), (7088, 10240), (8192, 8860)]