1520463980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{571603}}^1$

素因数の和:571638

約数の個数: 48

約数和(自身を含む): 3841178880

約数和(自身を除く): 2320714900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 571603, 1143206, 2286412, 2858015, 4001221, 5716030, 8002442, 10860457, 11432060, 16004884, 20006105, 21720914, 40012210, 43441828, 54302285, 76023199, 80024420, 108604570, 152046398, 217209140, 304092796, 380115995, 760231990, 1520463980]

約数ペア:

[(1, 1520463980), (2, 760231990), (4, 380115995), (5, 304092796), (7, 217209140), (10, 152046398), (14, 108604570), (19, 80024420), (20, 76023199), (28, 54302285), (35, 43441828), (38, 40012210), (70, 21720914), (76, 20006105), (95, 16004884), (133, 11432060), (140, 10860457), (190, 8002442), (266, 5716030), (380, 4001221), (532, 2858015), (665, 2286412), (1330, 1143206), (2660, 571603)]