128552480

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{863}}^1$

素因数の和:911

約数の個数: 144

約数和(自身を含む): 372314880

約数和(自身を除く): 243762400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 160, 190, 196, 224, 245, 266, 280, 304, 380, 392, 490, 532, 560, 608, 665, 760, 784, 863, 931, 980, 1064, 1120, 1330, 1520, 1568, 1726, 1862, 1960, 2128, 2660, 3040, 3452, 3724, 3920, 4256, 4315, 4655, 5320, 6041, 6904, 7448, 7840, 8630, 9310, 10640, 12082, 13808, 14896, 16397, 17260, 18620, 21280, 24164, 27616, 29792, 30205, 32794, 34520, 37240, 42287, 48328, 60410, 65588, 69040, 74480, 81985, 84574, 96656, 114779, 120820, 131176, 138080, 148960, 163970, 169148, 193312, 211435, 229558, 241640, 262352, 327940, 338296, 422870, 459116, 483280, 524704, 573895, 655880, 676592, 803453, 845740, 918232, 966560, 1147790, 1311760, 1353184, 1606906, 1691480, 1836464, 2295580, 2623520, 3213812, 3382960, 3672928, 4017265, 4591160, 6427624, 6765920, 8034530, 9182320, 12855248, 16069060, 18364640, 25710496, 32138120, 64276240, 128552480]

約数ペア:

[(1, 128552480), (2, 64276240), (4, 32138120), (5, 25710496), (7, 18364640), (8, 16069060), (10, 12855248), (14, 9182320), (16, 8034530), (19, 6765920), (20, 6427624), (28, 4591160), (32, 4017265), (35, 3672928), (38, 3382960), (40, 3213812), (49, 2623520), (56, 2295580), (70, 1836464), (76, 1691480), (80, 1606906), (95, 1353184), (98, 1311760), (112, 1147790), (133, 966560), (140, 918232), (152, 845740), (160, 803453), (190, 676592), (196, 655880), (224, 573895), (245, 524704), (266, 483280), (280, 459116), (304, 422870), (380, 338296), (392, 327940), (490, 262352), (532, 241640), (560, 229558), (608, 211435), (665, 193312), (760, 169148), (784, 163970), (863, 148960), (931, 138080), (980, 131176), (1064, 120820), (1120, 114779), (1330, 96656), (1520, 84574), (1568, 81985), (1726, 74480), (1862, 69040), (1960, 65588), (2128, 60410), (2660, 48328), (3040, 42287), (3452, 37240), (3724, 34520), (3920, 32794), (4256, 30205), (4315, 29792), (4655, 27616), (5320, 24164), (6041, 21280), (6904, 18620), (7448, 17260), (7840, 16397), (8630, 14896), (9310, 13808), (10640, 12082)]