166419440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{673}}^1$

素因数の和:978

約数の個数: 80

約数和(自身を含む): 424231776

約数和(自身を除く): 257812336

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 281, 440, 562, 673, 880, 1124, 1346, 1405, 2248, 2692, 2810, 3091, 3365, 4496, 5384, 5620, 6182, 6730, 7403, 10768, 11240, 12364, 13460, 14806, 15455, 22480, 24728, 26920, 29612, 30910, 37015, 49456, 53840, 59224, 61820, 74030, 118448, 123640, 148060, 189113, 247280, 296120, 378226, 592240, 756452, 945565, 1512904, 1891130, 2080243, 3025808, 3782260, 4160486, 7564520, 8320972, 10401215, 15129040, 16641944, 20802430, 33283888, 41604860, 83209720, 166419440]

約数ペア:

[(1, 166419440), (2, 83209720), (4, 41604860), (5, 33283888), (8, 20802430), (10, 16641944), (11, 15129040), (16, 10401215), (20, 8320972), (22, 7564520), (40, 4160486), (44, 3782260), (55, 3025808), (80, 2080243), (88, 1891130), (110, 1512904), (176, 945565), (220, 756452), (281, 592240), (440, 378226), (562, 296120), (673, 247280), (880, 189113), (1124, 148060), (1346, 123640), (1405, 118448), (2248, 74030), (2692, 61820), (2810, 59224), (3091, 53840), (3365, 49456), (4496, 37015), (5384, 30910), (5620, 29612), (6182, 26920), (6730, 24728), (7403, 22480), (10768, 15455), (11240, 14806), (12364, 13460)]