1280480

素因数分解:

$2^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:219

約数の個数: 48

約数和(自身を含む): 3102624

約数和(自身を除く): 1822144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 80, 106, 151, 160, 212, 265, 302, 424, 530, 604, 755, 848, 1060, 1208, 1510, 1696, 2120, 2416, 3020, 4240, 4832, 6040, 8003, 8480, 12080, 16006, 24160, 32012, 40015, 64024, 80030, 128048, 160060, 256096, 320120, 640240, 1280480]

約数ペア:

[(1, 1280480), (2, 640240), (4, 320120), (5, 256096), (8, 160060), (10, 128048), (16, 80030), (20, 64024), (32, 40015), (40, 32012), (53, 24160), (80, 16006), (106, 12080), (151, 8480), (160, 8003), (212, 6040), (265, 4832), (302, 4240), (424, 3020), (530, 2416), (604, 2120), (755, 1696), (848, 1510), (1060, 1208)]