42682020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:389

約数の個数: 96

約数和(自身を含む): 126137088

約数和(自身を除く): 83455068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 157, 197, 230, 276, 314, 345, 394, 460, 471, 591, 628, 690, 785, 788, 942, 985, 1182, 1380, 1570, 1884, 1970, 2355, 2364, 2955, 3140, 3611, 3940, 4531, 4710, 5910, 7222, 9062, 9420, 10833, 11820, 13593, 14444, 18055, 18124, 21666, 22655, 27186, 30929, 36110, 43332, 45310, 54165, 54372, 61858, 67965, 72220, 90620, 92787, 108330, 123716, 135930, 154645, 185574, 216660, 271860, 309290, 371148, 463935, 618580, 711367, 927870, 1422734, 1855740, 2134101, 2845468, 3556835, 4268202, 7113670, 8536404, 10670505, 14227340, 21341010, 42682020]

約数ペア:

[(1, 42682020), (2, 21341010), (3, 14227340), (4, 10670505), (5, 8536404), (6, 7113670), (10, 4268202), (12, 3556835), (15, 2845468), (20, 2134101), (23, 1855740), (30, 1422734), (46, 927870), (60, 711367), (69, 618580), (92, 463935), (115, 371148), (138, 309290), (157, 271860), (197, 216660), (230, 185574), (276, 154645), (314, 135930), (345, 123716), (394, 108330), (460, 92787), (471, 90620), (591, 72220), (628, 67965), (690, 61858), (785, 54372), (788, 54165), (942, 45310), (985, 43332), (1182, 36110), (1380, 30929), (1570, 27186), (1884, 22655), (1970, 21666), (2355, 18124), (2364, 18055), (2955, 14444), (3140, 13593), (3611, 11820), (3940, 10833), (4531, 9420), (4710, 9062), (5910, 7222)]