51651180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{40993}}^1$

素因数の和:41015

約数の個数: 72

約数和(自身を含む): 179061792

約数和(自身を除く): 127410612

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, 40993, 81986, 122979, 163972, 204965, 245958, 286951, 368937, 409930, 491916, 573902, 614895, 737874, 819860, 860853, 1147804, 1229790, 1434755, 1475748, 1721706, 1844685, 2459580, 2582559, 2869510, 3443412, 3689370, 4304265, 5165118, 5739020, 7378740, 8608530, 10330236, 12912795, 17217060, 25825590, 51651180]

約数ペア:

[(1, 51651180), (2, 25825590), (3, 17217060), (4, 12912795), (5, 10330236), (6, 8608530), (7, 7378740), (9, 5739020), (10, 5165118), (12, 4304265), (14, 3689370), (15, 3443412), (18, 2869510), (20, 2582559), (21, 2459580), (28, 1844685), (30, 1721706), (35, 1475748), (36, 1434755), (42, 1229790), (45, 1147804), (60, 860853), (63, 819860), (70, 737874), (84, 614895), (90, 573902), (105, 491916), (126, 409930), (140, 368937), (180, 286951), (210, 245958), (252, 204965), (315, 163972), (420, 122979), (630, 81986), (1260, 40993)]