1657886220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{70309}}^1$

素因数の和:70455

約数の個数: 72

約数和(自身を含む): 5067382320

約数和(自身を除く): 3409496100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 131, 180, 262, 393, 524, 655, 786, 1179, 1310, 1572, 1965, 2358, 2620, 3930, 4716, 5895, 7860, 11790, 23580, 70309, 140618, 210927, 281236, 351545, 421854, 632781, 703090, 843708, 1054635, 1265562, 1406180, 2109270, 2531124, 3163905, 4218540, 6327810, 9210479, 12655620, 18420958, 27631437, 36841916, 46052395, 55262874, 82894311, 92104790, 110525748, 138157185, 165788622, 184209580, 276314370, 331577244, 414471555, 552628740, 828943110, 1657886220]

約数ペア:

[(1, 1657886220), (2, 828943110), (3, 552628740), (4, 414471555), (5, 331577244), (6, 276314370), (9, 184209580), (10, 165788622), (12, 138157185), (15, 110525748), (18, 92104790), (20, 82894311), (30, 55262874), (36, 46052395), (45, 36841916), (60, 27631437), (90, 18420958), (131, 12655620), (180, 9210479), (262, 6327810), (393, 4218540), (524, 3163905), (655, 2531124), (786, 2109270), (1179, 1406180), (1310, 1265562), (1572, 1054635), (1965, 843708), (2358, 703090), (2620, 632781), (3930, 421854), (4716, 351545), (5895, 281236), (7860, 210927), (11790, 140618), (23580, 70309)]