80308480

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{8963}}^1$

素因数の和:8991

約数の個数: 72

約数和(自身を含む): 219868992

約数和(自身を除く): 139560512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 8963, 17926, 35852, 44815, 62741, 71704, 89630, 125482, 143408, 179260, 250964, 286816, 313705, 358520, 501928, 573632, 627410, 717040, 1003856, 1147264, 1254820, 1434080, 2007712, 2294528, 2509640, 2868160, 4015424, 5019280, 5736320, 8030848, 10038560, 11472640, 16061696, 20077120, 40154240, 80308480]

約数ペア:

[(1, 80308480), (2, 40154240), (4, 20077120), (5, 16061696), (7, 11472640), (8, 10038560), (10, 8030848), (14, 5736320), (16, 5019280), (20, 4015424), (28, 2868160), (32, 2509640), (35, 2294528), (40, 2007712), (56, 1434080), (64, 1254820), (70, 1147264), (80, 1003856), (112, 717040), (128, 627410), (140, 573632), (160, 501928), (224, 358520), (256, 313705), (280, 286816), (320, 250964), (448, 179260), (560, 143408), (640, 125482), (896, 89630), (1120, 71704), (1280, 62741), (1792, 44815), (2240, 35852), (4480, 17926), (8960, 8963)]