127944440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7937}}^1$

素因数の和:7992

約数の個数: 64

約数和(自身を含む): 320060160

約数和(自身を除く): 192115720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 7937, 8060, 15874, 16120, 31748, 39685, 63496, 79370, 103181, 158740, 206362, 246047, 317480, 412724, 492094, 515905, 825448, 984188, 1031810, 1230235, 1968376, 2063620, 2460470, 3198611, 4127240, 4920940, 6397222, 9841880, 12794444, 15993055, 25588888, 31986110, 63972220, 127944440]

約数ペア:

[(1, 127944440), (2, 63972220), (4, 31986110), (5, 25588888), (8, 15993055), (10, 12794444), (13, 9841880), (20, 6397222), (26, 4920940), (31, 4127240), (40, 3198611), (52, 2460470), (62, 2063620), (65, 1968376), (104, 1230235), (124, 1031810), (130, 984188), (155, 825448), (248, 515905), (260, 492094), (310, 412724), (403, 317480), (520, 246047), (620, 206362), (806, 158740), (1240, 103181), (1612, 79370), (2015, 63496), (3224, 39685), (4030, 31748), (7937, 16120), (8060, 15874)]