788976880

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1\times {\mathrm{523}}^1$

素因数の和:818

約数の個数: 80

約数和(自身を含む): 1865460960

約数和(自身を除く): 1076484080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 173, 218, 346, 436, 523, 545, 692, 865, 872, 1046, 1090, 1384, 1730, 1744, 2092, 2180, 2615, 2768, 3460, 4184, 4360, 5230, 6920, 8368, 8720, 10460, 13840, 18857, 20920, 37714, 41840, 57007, 75428, 90479, 94285, 114014, 150856, 180958, 188570, 228028, 285035, 301712, 361916, 377140, 452395, 456056, 570070, 723832, 754280, 904790, 912112, 1140140, 1447664, 1508560, 1809580, 2280280, 3619160, 4560560, 7238320, 9862211, 19724422, 39448844, 49311055, 78897688, 98622110, 157795376, 197244220, 394488440, 788976880]

約数ペア:

[(1, 788976880), (2, 394488440), (4, 197244220), (5, 157795376), (8, 98622110), (10, 78897688), (16, 49311055), (20, 39448844), (40, 19724422), (80, 9862211), (109, 7238320), (173, 4560560), (218, 3619160), (346, 2280280), (436, 1809580), (523, 1508560), (545, 1447664), (692, 1140140), (865, 912112), (872, 904790), (1046, 754280), (1090, 723832), (1384, 570070), (1730, 456056), (1744, 452395), (2092, 377140), (2180, 361916), (2615, 301712), (2768, 285035), (3460, 228028), (4184, 188570), (4360, 180958), (5230, 150856), (6920, 114014), (8368, 94285), (8720, 90479), (10460, 75428), (13840, 57007), (18857, 41840), (20920, 37714)]