19827720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1669}}^1$

素因数の和:1700

約数の個数: 128

約数和(自身を含む): 72144000

約数和(自身を除く): 52316280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 88, 90, 99, 108, 110, 120, 132, 135, 165, 180, 198, 216, 220, 264, 270, 297, 330, 360, 396, 440, 495, 540, 594, 660, 792, 990, 1080, 1188, 1320, 1485, 1669, 1980, 2376, 2970, 3338, 3960, 5007, 5940, 6676, 8345, 10014, 11880, 13352, 15021, 16690, 18359, 20028, 25035, 30042, 33380, 36718, 40056, 45063, 50070, 55077, 60084, 66760, 73436, 75105, 90126, 91795, 100140, 110154, 120168, 146872, 150210, 165231, 180252, 183590, 200280, 220308, 225315, 275385, 300420, 330462, 360504, 367180, 440616, 450630, 495693, 550770, 600840, 660924, 734360, 826155, 901260, 991386, 1101540, 1321848, 1652310, 1802520, 1982772, 2203080, 2478465, 3304620, 3965544, 4956930, 6609240, 9913860, 19827720]

約数ペア:

[(1, 19827720), (2, 9913860), (3, 6609240), (4, 4956930), (5, 3965544), (6, 3304620), (8, 2478465), (9, 2203080), (10, 1982772), (11, 1802520), (12, 1652310), (15, 1321848), (18, 1101540), (20, 991386), (22, 901260), (24, 826155), (27, 734360), (30, 660924), (33, 600840), (36, 550770), (40, 495693), (44, 450630), (45, 440616), (54, 367180), (55, 360504), (60, 330462), (66, 300420), (72, 275385), (88, 225315), (90, 220308), (99, 200280), (108, 183590), (110, 180252), (120, 165231), (132, 150210), (135, 146872), (165, 120168), (180, 110154), (198, 100140), (216, 91795), (220, 90126), (264, 75105), (270, 73436), (297, 66760), (330, 60084), (360, 55077), (396, 50070), (440, 45063), (495, 40056), (540, 36718), (594, 33380), (660, 30042), (792, 25035), (990, 20028), (1080, 18359), (1188, 16690), (1320, 15021), (1485, 13352), (1669, 11880), (1980, 10014), (2376, 8345), (2970, 6676), (3338, 5940), (3960, 5007)]