131539520

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{8389}}^1$

素因数の和:8420

約数の個数: 84

約数和(自身を含む): 364411260

約数和(自身を除く): 232871740

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1568, 1960, 2240, 3136, 3920, 7840, 8389, 15680, 16778, 33556, 41945, 58723, 67112, 83890, 117446, 134224, 167780, 234892, 268448, 293615, 335560, 411061, 469784, 536896, 587230, 671120, 822122, 939568, 1174460, 1342240, 1644244, 1879136, 2055305, 2348920, 2684480, 3288488, 3758272, 4110610, 4697840, 6576976, 8221220, 9395680, 13153952, 16442440, 18791360, 26307904, 32884880, 65769760, 131539520]

約数ペア:

[(1, 131539520), (2, 65769760), (4, 32884880), (5, 26307904), (7, 18791360), (8, 16442440), (10, 13153952), (14, 9395680), (16, 8221220), (20, 6576976), (28, 4697840), (32, 4110610), (35, 3758272), (40, 3288488), (49, 2684480), (56, 2348920), (64, 2055305), (70, 1879136), (80, 1644244), (98, 1342240), (112, 1174460), (140, 939568), (160, 822122), (196, 671120), (224, 587230), (245, 536896), (280, 469784), (320, 411061), (392, 335560), (448, 293615), (490, 268448), (560, 234892), (784, 167780), (980, 134224), (1120, 117446), (1568, 83890), (1960, 67112), (2240, 58723), (3136, 41945), (3920, 33556), (7840, 16778), (8389, 15680)]