138218220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{15671}}^1$

素因数の和:15700

約数の個数: 108

約数和(自身を含む): 487743984

約数和(自身を除く): 349525764

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 15671, 31342, 47013, 62684, 78355, 94026, 109697, 141039, 156710, 188052, 219394, 235065, 282078, 313420, 329091, 438788, 470130, 548485, 564156, 658182, 705195, 767879, 940260, 987273, 1096970, 1316364, 1410390, 1535758, 1645455, 1974546, 2193940, 2303637, 2820780, 3071516, 3290910, 3839395, 3949092, 4607274, 4936365, 6581820, 6910911, 7678790, 9214548, 9872730, 11518185, 13821822, 15357580, 19745460, 23036370, 27643644, 34554555, 46072740, 69109110, 138218220]

約数ペア:

[(1, 138218220), (2, 69109110), (3, 46072740), (4, 34554555), (5, 27643644), (6, 23036370), (7, 19745460), (9, 15357580), (10, 13821822), (12, 11518185), (14, 9872730), (15, 9214548), (18, 7678790), (20, 6910911), (21, 6581820), (28, 4936365), (30, 4607274), (35, 3949092), (36, 3839395), (42, 3290910), (45, 3071516), (49, 2820780), (60, 2303637), (63, 2193940), (70, 1974546), (84, 1645455), (90, 1535758), (98, 1410390), (105, 1316364), (126, 1096970), (140, 987273), (147, 940260), (180, 767879), (196, 705195), (210, 658182), (245, 564156), (252, 548485), (294, 470130), (315, 438788), (420, 329091), (441, 313420), (490, 282078), (588, 235065), (630, 219394), (735, 188052), (882, 156710), (980, 141039), (1260, 109697), (1470, 94026), (1764, 78355), (2205, 62684), (2940, 47013), (4410, 31342), (8820, 15671)]