19738080

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{1523}}^1$

素因数の和:1550

約数の個数: 120

約数和(自身を含む): 69704712

約数和(自身を除く): 49966632

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1523, 1620, 2160, 2592, 3046, 3240, 4320, 4569, 6092, 6480, 7615, 9138, 12184, 12960, 13707, 15230, 18276, 22845, 24368, 27414, 30460, 36552, 41121, 45690, 48736, 54828, 60920, 68535, 73104, 82242, 91380, 109656, 121840, 123363, 137070, 146208, 164484, 182760, 205605, 219312, 243680, 246726, 274140, 328968, 365520, 411210, 438624, 493452, 548280, 616815, 657936, 731040, 822420, 986904, 1096560, 1233630, 1315872, 1644840, 1973808, 2193120, 2467260, 3289680, 3947616, 4934520, 6579360, 9869040, 19738080]

約数ペア:

[(1, 19738080), (2, 9869040), (3, 6579360), (4, 4934520), (5, 3947616), (6, 3289680), (8, 2467260), (9, 2193120), (10, 1973808), (12, 1644840), (15, 1315872), (16, 1233630), (18, 1096560), (20, 986904), (24, 822420), (27, 731040), (30, 657936), (32, 616815), (36, 548280), (40, 493452), (45, 438624), (48, 411210), (54, 365520), (60, 328968), (72, 274140), (80, 246726), (81, 243680), (90, 219312), (96, 205605), (108, 182760), (120, 164484), (135, 146208), (144, 137070), (160, 123363), (162, 121840), (180, 109656), (216, 91380), (240, 82242), (270, 73104), (288, 68535), (324, 60920), (360, 54828), (405, 48736), (432, 45690), (480, 41121), (540, 36552), (648, 30460), (720, 27414), (810, 24368), (864, 22845), (1080, 18276), (1296, 15230), (1440, 13707), (1523, 12960), (1620, 12184), (2160, 9138), (2592, 7615), (3046, 6480), (3240, 6092), (4320, 4569)]