18226560

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{863}}^1$

素因数の和:896

約数の個数: 128

約数和(自身を含む): 63452160

約数和(自身を除く): 45225600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 384, 440, 480, 528, 640, 660, 704, 863, 880, 960, 1056, 1320, 1408, 1726, 1760, 1920, 2112, 2589, 2640, 3452, 3520, 4224, 4315, 5178, 5280, 6904, 7040, 8630, 9493, 10356, 10560, 12945, 13808, 17260, 18986, 20712, 21120, 25890, 27616, 28479, 34520, 37972, 41424, 47465, 51780, 55232, 56958, 69040, 75944, 82848, 94930, 103560, 110464, 113916, 138080, 142395, 151888, 165696, 189860, 207120, 227832, 276160, 284790, 303776, 331392, 379720, 414240, 455664, 552320, 569580, 607552, 759440, 828480, 911328, 1139160, 1215104, 1518880, 1656960, 1822656, 2278320, 3037760, 3645312, 4556640, 6075520, 9113280, 18226560]

約数ペア:

[(1, 18226560), (2, 9113280), (3, 6075520), (4, 4556640), (5, 3645312), (6, 3037760), (8, 2278320), (10, 1822656), (11, 1656960), (12, 1518880), (15, 1215104), (16, 1139160), (20, 911328), (22, 828480), (24, 759440), (30, 607552), (32, 569580), (33, 552320), (40, 455664), (44, 414240), (48, 379720), (55, 331392), (60, 303776), (64, 284790), (66, 276160), (80, 227832), (88, 207120), (96, 189860), (110, 165696), (120, 151888), (128, 142395), (132, 138080), (160, 113916), (165, 110464), (176, 103560), (192, 94930), (220, 82848), (240, 75944), (264, 69040), (320, 56958), (330, 55232), (352, 51780), (384, 47465), (440, 41424), (480, 37972), (528, 34520), (640, 28479), (660, 27616), (704, 25890), (863, 21120), (880, 20712), (960, 18986), (1056, 17260), (1320, 13808), (1408, 12945), (1726, 10560), (1760, 10356), (1920, 9493), (2112, 8630), (2589, 7040), (2640, 6904), (3452, 5280), (3520, 5178), (4224, 4315)]