138360320

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{1103}}^1$

素因数の和:1140

約数の個数: 120

約数和(自身を含む): 386252064

約数和(自身を除く): 247891744

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 512, 560, 640, 784, 896, 980, 1103, 1120, 1280, 1568, 1792, 1960, 2206, 2240, 2560, 3136, 3584, 3920, 4412, 4480, 5515, 6272, 7721, 7840, 8824, 8960, 11030, 12544, 15442, 15680, 17648, 17920, 22060, 25088, 30884, 31360, 35296, 38605, 44120, 54047, 61768, 62720, 70592, 77210, 88240, 108094, 123536, 125440, 141184, 154420, 176480, 216188, 247072, 270235, 282368, 308840, 352960, 432376, 494144, 540470, 564736, 617680, 705920, 864752, 988288, 1080940, 1235360, 1411840, 1729504, 1976576, 2161880, 2470720, 2823680, 3459008, 3953152, 4323760, 4941440, 6918016, 8647520, 9882880, 13836032, 17295040, 19765760, 27672064, 34590080, 69180160, 138360320]

約数ペア:

[(1, 138360320), (2, 69180160), (4, 34590080), (5, 27672064), (7, 19765760), (8, 17295040), (10, 13836032), (14, 9882880), (16, 8647520), (20, 6918016), (28, 4941440), (32, 4323760), (35, 3953152), (40, 3459008), (49, 2823680), (56, 2470720), (64, 2161880), (70, 1976576), (80, 1729504), (98, 1411840), (112, 1235360), (128, 1080940), (140, 988288), (160, 864752), (196, 705920), (224, 617680), (245, 564736), (256, 540470), (280, 494144), (320, 432376), (392, 352960), (448, 308840), (490, 282368), (512, 270235), (560, 247072), (640, 216188), (784, 176480), (896, 154420), (980, 141184), (1103, 125440), (1120, 123536), (1280, 108094), (1568, 88240), (1792, 77210), (1960, 70592), (2206, 62720), (2240, 61768), (2560, 54047), (3136, 44120), (3584, 38605), (3920, 35296), (4412, 31360), (4480, 30884), (5515, 25088), (6272, 22060), (7721, 17920), (7840, 17648), (8824, 15680), (8960, 15442), (11030, 12544)]