128443140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{101939}}^1$

素因数の和:101961

約数の個数: 72

約数和(自身を含む): 445273920

約数和(自身を除く): 316830780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 101939, 203878, 305817, 407756, 509695, 611634, 713573, 917451, 1019390, 1223268, 1427146, 1529085, 1834902, 2038780, 2140719, 2854292, 3058170, 3567865, 3669804, 4281438, 4587255, 6116340, 6422157, 7135730, 8562876, 9174510, 10703595, 12844314, 14271460, 18349020, 21407190, 25688628, 32110785, 42814380, 64221570, 128443140]

約数ペア:

[(1, 128443140), (2, 64221570), (3, 42814380), (4, 32110785), (5, 25688628), (6, 21407190), (7, 18349020), (9, 14271460), (10, 12844314), (12, 10703595), (14, 9174510), (15, 8562876), (18, 7135730), (20, 6422157), (21, 6116340), (28, 4587255), (30, 4281438), (35, 3669804), (36, 3567865), (42, 3058170), (45, 2854292), (60, 2140719), (63, 2038780), (70, 1834902), (84, 1529085), (90, 1427146), (105, 1223268), (126, 1019390), (140, 917451), (180, 713573), (210, 611634), (252, 509695), (315, 407756), (420, 305817), (630, 203878), (1260, 101939)]