61321580

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{479}}^1$

素因数の和:698

約数の個数: 48

約数和(自身を含む): 133297920

約数和(自身を除く): 71976340

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 173, 185, 346, 370, 479, 692, 740, 865, 958, 1730, 1916, 2395, 3460, 4790, 6401, 9580, 12802, 17723, 25604, 32005, 35446, 64010, 70892, 82867, 88615, 128020, 165734, 177230, 331468, 354460, 414335, 828670, 1657340, 3066079, 6132158, 12264316, 15330395, 30660790, 61321580]

約数ペア:

[(1, 61321580), (2, 30660790), (4, 15330395), (5, 12264316), (10, 6132158), (20, 3066079), (37, 1657340), (74, 828670), (148, 414335), (173, 354460), (185, 331468), (346, 177230), (370, 165734), (479, 128020), (692, 88615), (740, 82867), (865, 70892), (958, 64010), (1730, 35446), (1916, 32005), (2395, 25604), (3460, 17723), (4790, 12802), (6401, 9580)]