61031460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{20759}}^1$

素因数の和:20785

約数の個数: 72

約数和(自身を含む): 198797760

約数和(自身を除く): 137766300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 20759, 41518, 62277, 83036, 103795, 124554, 145313, 207590, 249108, 290626, 311385, 415180, 435939, 581252, 622770, 726565, 871878, 1017191, 1245540, 1453130, 1743756, 2034382, 2179695, 2906260, 3051573, 4068764, 4359390, 5085955, 6103146, 8718780, 10171910, 12206292, 15257865, 20343820, 30515730, 61031460]

約数ペア:

[(1, 61031460), (2, 30515730), (3, 20343820), (4, 15257865), (5, 12206292), (6, 10171910), (7, 8718780), (10, 6103146), (12, 5085955), (14, 4359390), (15, 4068764), (20, 3051573), (21, 2906260), (28, 2179695), (30, 2034382), (35, 1743756), (42, 1453130), (49, 1245540), (60, 1017191), (70, 871878), (84, 726565), (98, 622770), (105, 581252), (140, 435939), (147, 415180), (196, 311385), (210, 290626), (245, 249108), (294, 207590), (420, 145313), (490, 124554), (588, 103795), (735, 83036), (980, 62277), (1470, 41518), (2940, 20759)]