71681680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6737}}^1$

素因数の和:6776

約数の個数: 80

約数和(自身を含む): 200522880

約数和(自身を除く): 128841200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 6737, 10640, 13474, 26948, 33685, 47159, 53896, 67370, 94318, 107792, 128003, 134740, 188636, 235795, 256006, 269480, 377272, 471590, 512012, 538960, 640015, 754544, 896021, 943180, 1024024, 1280030, 1792042, 1886360, 2048048, 2560060, 3584084, 3772720, 4480105, 5120120, 7168168, 8960210, 10240240, 14336336, 17920420, 35840840, 71681680]

約数ペア:

[(1, 71681680), (2, 35840840), (4, 17920420), (5, 14336336), (7, 10240240), (8, 8960210), (10, 7168168), (14, 5120120), (16, 4480105), (19, 3772720), (20, 3584084), (28, 2560060), (35, 2048048), (38, 1886360), (40, 1792042), (56, 1280030), (70, 1024024), (76, 943180), (80, 896021), (95, 754544), (112, 640015), (133, 538960), (140, 512012), (152, 471590), (190, 377272), (266, 269480), (280, 256006), (304, 235795), (380, 188636), (532, 134740), (560, 128003), (665, 107792), (760, 94318), (1064, 67370), (1330, 53896), (1520, 47159), (2128, 33685), (2660, 26948), (5320, 13474), (6737, 10640)]