20157120

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{2333}}^1$

素因数の和:2359

約数の個数: 112

約数和(自身を含む): 71140320

約数和(自身を除く): 50983200

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, 2333, 2880, 4320, 4666, 6999, 8640, 9332, 11665, 13998, 18664, 20997, 23330, 27996, 34995, 37328, 41994, 46660, 55992, 62991, 69990, 74656, 83988, 93320, 104985, 111984, 125982, 139980, 149312, 167976, 186640, 209970, 223968, 251964, 279960, 314955, 335952, 373280, 419940, 447936, 503928, 559920, 629910, 671904, 746560, 839880, 1007856, 1119840, 1259820, 1343808, 1679760, 2015712, 2239680, 2519640, 3359520, 4031424, 5039280, 6719040, 10078560, 20157120]

約数ペア:

[(1, 20157120), (2, 10078560), (3, 6719040), (4, 5039280), (5, 4031424), (6, 3359520), (8, 2519640), (9, 2239680), (10, 2015712), (12, 1679760), (15, 1343808), (16, 1259820), (18, 1119840), (20, 1007856), (24, 839880), (27, 746560), (30, 671904), (32, 629910), (36, 559920), (40, 503928), (45, 447936), (48, 419940), (54, 373280), (60, 335952), (64, 314955), (72, 279960), (80, 251964), (90, 223968), (96, 209970), (108, 186640), (120, 167976), (135, 149312), (144, 139980), (160, 125982), (180, 111984), (192, 104985), (216, 93320), (240, 83988), (270, 74656), (288, 69990), (320, 62991), (360, 55992), (432, 46660), (480, 41994), (540, 37328), (576, 34995), (720, 27996), (864, 23330), (960, 20997), (1080, 18664), (1440, 13998), (1728, 11665), (2160, 9332), (2333, 8640), (2880, 6999), (4320, 4666)]