51978780

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{13751}}^1$

素因数の和:13776

約数の個数: 96

約数和(自身を含む): 184826880

約数和(自身を除く): 132848100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 13751, 27502, 41253, 55004, 68755, 82506, 96257, 123759, 137510, 165012, 192514, 206265, 247518, 275020, 288771, 371277, 385028, 412530, 481285, 495036, 577542, 618795, 742554, 825060, 866313, 962570, 1155084, 1237590, 1443855, 1485108, 1732626, 1856385, 1925140, 2475180, 2598939, 2887710, 3465252, 3712770, 4331565, 5197878, 5775420, 7425540, 8663130, 10395756, 12994695, 17326260, 25989390, 51978780]

約数ペア:

[(1, 51978780), (2, 25989390), (3, 17326260), (4, 12994695), (5, 10395756), (6, 8663130), (7, 7425540), (9, 5775420), (10, 5197878), (12, 4331565), (14, 3712770), (15, 3465252), (18, 2887710), (20, 2598939), (21, 2475180), (27, 1925140), (28, 1856385), (30, 1732626), (35, 1485108), (36, 1443855), (42, 1237590), (45, 1155084), (54, 962570), (60, 866313), (63, 825060), (70, 742554), (84, 618795), (90, 577542), (105, 495036), (108, 481285), (126, 412530), (135, 385028), (140, 371277), (180, 288771), (189, 275020), (210, 247518), (252, 206265), (270, 192514), (315, 165012), (378, 137510), (420, 123759), (540, 96257), (630, 82506), (756, 68755), (945, 55004), (1260, 41253), (1890, 27502), (3780, 13751)]