90705060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11719}}^1$

素因数の和:11777

約数の個数: 72

約数和(自身を含む): 281561280

約数和(自身を除く): 190856220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 11719, 23438, 35157, 46876, 58595, 70314, 105471, 117190, 140628, 175785, 210942, 234380, 351570, 421884, 503917, 527355, 703140, 1007834, 1054710, 1511751, 2015668, 2109420, 2519585, 3023502, 4535253, 5039170, 6047004, 7558755, 9070506, 10078340, 15117510, 18141012, 22676265, 30235020, 45352530, 90705060]

約数ペア:

[(1, 90705060), (2, 45352530), (3, 30235020), (4, 22676265), (5, 18141012), (6, 15117510), (9, 10078340), (10, 9070506), (12, 7558755), (15, 6047004), (18, 5039170), (20, 4535253), (30, 3023502), (36, 2519585), (43, 2109420), (45, 2015668), (60, 1511751), (86, 1054710), (90, 1007834), (129, 703140), (172, 527355), (180, 503917), (215, 421884), (258, 351570), (387, 234380), (430, 210942), (516, 175785), (645, 140628), (774, 117190), (860, 105471), (1290, 70314), (1548, 58595), (1935, 46876), (2580, 35157), (3870, 23438), (7740, 11719)]