7728920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:336

約数の個数: 64

約数和(自身を含む): 18800640

約数和(自身を除く): 11071720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 184, 230, 248, 271, 310, 460, 542, 620, 713, 920, 1084, 1240, 1355, 1426, 2168, 2710, 2852, 3565, 5420, 5704, 6233, 7130, 8401, 10840, 12466, 14260, 16802, 24932, 28520, 31165, 33604, 42005, 49864, 62330, 67208, 84010, 124660, 168020, 193223, 249320, 336040, 386446, 772892, 966115, 1545784, 1932230, 3864460, 7728920]

約数ペア:

[(1, 7728920), (2, 3864460), (4, 1932230), (5, 1545784), (8, 966115), (10, 772892), (20, 386446), (23, 336040), (31, 249320), (40, 193223), (46, 168020), (62, 124660), (92, 84010), (115, 67208), (124, 62330), (155, 49864), (184, 42005), (230, 33604), (248, 31165), (271, 28520), (310, 24932), (460, 16802), (542, 14260), (620, 12466), (713, 10840), (920, 8401), (1084, 7130), (1240, 6233), (1355, 5704), (1426, 5420), (2168, 3565), (2710, 2852)]