19967040

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{2311}}^1$

素因数の和:2337

約数の個数: 112

約数和(自身を含む): 70469760

約数和(自身を除く): 50502720

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, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2160, 2311, 2880, 4320, 4622, 6933, 8640, 9244, 11555, 13866, 18488, 20799, 23110, 27732, 34665, 36976, 41598, 46220, 55464, 62397, 69330, 73952, 83196, 92440, 103995, 110928, 124794, 138660, 147904, 166392, 184880, 207990, 221856, 249588, 277320, 311985, 332784, 369760, 415980, 443712, 499176, 554640, 623970, 665568, 739520, 831960, 998352, 1109280, 1247940, 1331136, 1663920, 1996704, 2218560, 2495880, 3327840, 3993408, 4991760, 6655680, 9983520, 19967040]

約数ペア:

[(1, 19967040), (2, 9983520), (3, 6655680), (4, 4991760), (5, 3993408), (6, 3327840), (8, 2495880), (9, 2218560), (10, 1996704), (12, 1663920), (15, 1331136), (16, 1247940), (18, 1109280), (20, 998352), (24, 831960), (27, 739520), (30, 665568), (32, 623970), (36, 554640), (40, 499176), (45, 443712), (48, 415980), (54, 369760), (60, 332784), (64, 311985), (72, 277320), (80, 249588), (90, 221856), (96, 207990), (108, 184880), (120, 166392), (135, 147904), (144, 138660), (160, 124794), (180, 110928), (192, 103995), (216, 92440), (240, 83196), (270, 73952), (288, 69330), (320, 62397), (360, 55464), (432, 46220), (480, 41598), (540, 36976), (576, 34665), (720, 27732), (864, 23110), (960, 20799), (1080, 18488), (1440, 13866), (1728, 11555), (2160, 9244), (2311, 8640), (2880, 6933), (4320, 4622)]