15186440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{971}}^1$

素因数の和:1022

約数の個数: 64

約数和(自身を含む): 37791360

約数和(自身を除く): 22604920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 170, 184, 230, 340, 391, 460, 680, 782, 920, 971, 1564, 1942, 1955, 3128, 3884, 3910, 4855, 7768, 7820, 9710, 15640, 16507, 19420, 22333, 33014, 38840, 44666, 66028, 82535, 89332, 111665, 132056, 165070, 178664, 223330, 330140, 379661, 446660, 660280, 759322, 893320, 1518644, 1898305, 3037288, 3796610, 7593220, 15186440]

約数ペア:

[(1, 15186440), (2, 7593220), (4, 3796610), (5, 3037288), (8, 1898305), (10, 1518644), (17, 893320), (20, 759322), (23, 660280), (34, 446660), (40, 379661), (46, 330140), (68, 223330), (85, 178664), (92, 165070), (115, 132056), (136, 111665), (170, 89332), (184, 82535), (230, 66028), (340, 44666), (391, 38840), (460, 33014), (680, 22333), (782, 19420), (920, 16507), (971, 15640), (1564, 9710), (1942, 7820), (1955, 7768), (3128, 4855), (3884, 3910)]