1720279680

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{127997}}^1$

素因数の和:128026

約数の個数: 128

約数和(自身を含む): 6266782080

約数和(自身を除く): 4546502400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 127997, 255994, 383991, 511988, 639985, 767982, 895979, 1023976, 1279970, 1535964, 1791958, 1919955, 2047952, 2559940, 2687937, 3071928, 3583916, 3839910, 4095904, 4479895, 5119880, 5375874, 6143856, 7167832, 7679820, 8191808, 8959790, 10239760, 10751748, 12287712, 13439685, 14335664, 15359640, 16383616, 17919580, 20479520, 21503496, 24575424, 26879370, 28671328, 30719280, 35839160, 40959040, 43006992, 49150848, 53758740, 57342656, 61438560, 71678320, 81918080, 86013984, 107517480, 114685312, 122877120, 143356640, 172027968, 215034960, 245754240, 286713280, 344055936, 430069920, 573426560, 860139840, 1720279680]

約数ペア:

[(1, 1720279680), (2, 860139840), (3, 573426560), (4, 430069920), (5, 344055936), (6, 286713280), (7, 245754240), (8, 215034960), (10, 172027968), (12, 143356640), (14, 122877120), (15, 114685312), (16, 107517480), (20, 86013984), (21, 81918080), (24, 71678320), (28, 61438560), (30, 57342656), (32, 53758740), (35, 49150848), (40, 43006992), (42, 40959040), (48, 35839160), (56, 30719280), (60, 28671328), (64, 26879370), (70, 24575424), (80, 21503496), (84, 20479520), (96, 17919580), (105, 16383616), (112, 15359640), (120, 14335664), (128, 13439685), (140, 12287712), (160, 10751748), (168, 10239760), (192, 8959790), (210, 8191808), (224, 7679820), (240, 7167832), (280, 6143856), (320, 5375874), (336, 5119880), (384, 4479895), (420, 4095904), (448, 3839910), (480, 3583916), (560, 3071928), (640, 2687937), (672, 2559940), (840, 2047952), (896, 1919955), (960, 1791958), (1120, 1535964), (1344, 1279970), (1680, 1023976), (1920, 895979), (2240, 767982), (2688, 639985), (3360, 511988), (4480, 383991), (6720, 255994), (13440, 127997)]