2150240

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:255

約数の個数: 48

約数和(自身を含む): 5171040

約数和(自身を除く): 3020800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 151, 160, 178, 302, 356, 445, 604, 712, 755, 890, 1208, 1424, 1510, 1780, 2416, 2848, 3020, 3560, 4832, 6040, 7120, 12080, 13439, 14240, 24160, 26878, 53756, 67195, 107512, 134390, 215024, 268780, 430048, 537560, 1075120, 2150240]

約数ペア:

[(1, 2150240), (2, 1075120), (4, 537560), (5, 430048), (8, 268780), (10, 215024), (16, 134390), (20, 107512), (32, 67195), (40, 53756), (80, 26878), (89, 24160), (151, 14240), (160, 13439), (178, 12080), (302, 7120), (356, 6040), (445, 4832), (604, 3560), (712, 3020), (755, 2848), (890, 2416), (1208, 1780), (1424, 1510)]