28542080

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1$

素因数の和:326

約数の個数: 128

約数和(自身を含む): 81665280

約数和(自身を除く): 53123200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 128, 140, 160, 161, 184, 224, 230, 277, 280, 320, 322, 368, 448, 460, 554, 560, 640, 644, 736, 805, 896, 920, 1108, 1120, 1288, 1385, 1472, 1610, 1840, 1939, 2216, 2240, 2576, 2770, 2944, 3220, 3680, 3878, 4432, 4480, 5152, 5540, 6371, 6440, 7360, 7756, 8864, 9695, 10304, 11080, 12742, 12880, 14720, 15512, 17728, 19390, 20608, 22160, 25484, 25760, 31024, 31855, 35456, 38780, 44320, 44597, 50968, 51520, 62048, 63710, 77560, 88640, 89194, 101936, 103040, 124096, 127420, 155120, 177280, 178388, 203872, 222985, 248192, 254840, 310240, 356776, 407744, 445970, 509680, 620480, 713552, 815488, 891940, 1019360, 1240960, 1427104, 1783880, 2038720, 2854208, 3567760, 4077440, 5708416, 7135520, 14271040, 28542080]

約数ペア:

[(1, 28542080), (2, 14271040), (4, 7135520), (5, 5708416), (7, 4077440), (8, 3567760), (10, 2854208), (14, 2038720), (16, 1783880), (20, 1427104), (23, 1240960), (28, 1019360), (32, 891940), (35, 815488), (40, 713552), (46, 620480), (56, 509680), (64, 445970), (70, 407744), (80, 356776), (92, 310240), (112, 254840), (115, 248192), (128, 222985), (140, 203872), (160, 178388), (161, 177280), (184, 155120), (224, 127420), (230, 124096), (277, 103040), (280, 101936), (320, 89194), (322, 88640), (368, 77560), (448, 63710), (460, 62048), (554, 51520), (560, 50968), (640, 44597), (644, 44320), (736, 38780), (805, 35456), (896, 31855), (920, 31024), (1108, 25760), (1120, 25484), (1288, 22160), (1385, 20608), (1472, 19390), (1610, 17728), (1840, 15512), (1939, 14720), (2216, 12880), (2240, 12742), (2576, 11080), (2770, 10304), (2944, 9695), (3220, 8864), (3680, 7756), (3878, 7360), (4432, 6440), (4480, 6371), (5152, 5540)]