264328520

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1\times {\mathrm{409}}^1$

素因数の和:678

約数の個数: 64

約数和(自身を含む): 605750400

約数和(自身を除く): 341421880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 151, 214, 302, 409, 428, 535, 604, 755, 818, 856, 1070, 1208, 1510, 1636, 2045, 2140, 3020, 3272, 4090, 4280, 6040, 8180, 16157, 16360, 32314, 43763, 61759, 64628, 80785, 87526, 123518, 129256, 161570, 175052, 218815, 247036, 308795, 323140, 350104, 437630, 494072, 617590, 646280, 875260, 1235180, 1750520, 2470360, 6608213, 13216426, 26432852, 33041065, 52865704, 66082130, 132164260, 264328520]

約数ペア:

[(1, 264328520), (2, 132164260), (4, 66082130), (5, 52865704), (8, 33041065), (10, 26432852), (20, 13216426), (40, 6608213), (107, 2470360), (151, 1750520), (214, 1235180), (302, 875260), (409, 646280), (428, 617590), (535, 494072), (604, 437630), (755, 350104), (818, 323140), (856, 308795), (1070, 247036), (1208, 218815), (1510, 175052), (1636, 161570), (2045, 129256), (2140, 123518), (3020, 87526), (3272, 80785), (4090, 64628), (4280, 61759), (6040, 43763), (8180, 32314), (16157, 16360)]