71348480

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{7963}}^1$

素因数の和:7991

約数の個数: 72

約数和(自身を含む): 195340992

約数和(自身を除く): 123992512

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, 7963, 8960, 15926, 31852, 39815, 55741, 63704, 79630, 111482, 127408, 159260, 222964, 254816, 278705, 318520, 445928, 509632, 557410, 637040, 891856, 1019264, 1114820, 1274080, 1783712, 2038528, 2229640, 2548160, 3567424, 4459280, 5096320, 7134848, 8918560, 10192640, 14269696, 17837120, 35674240, 71348480]

約数ペア:

[(1, 71348480), (2, 35674240), (4, 17837120), (5, 14269696), (7, 10192640), (8, 8918560), (10, 7134848), (14, 5096320), (16, 4459280), (20, 3567424), (28, 2548160), (32, 2229640), (35, 2038528), (40, 1783712), (56, 1274080), (64, 1114820), (70, 1019264), (80, 891856), (112, 637040), (128, 557410), (140, 509632), (160, 445928), (224, 318520), (256, 278705), (280, 254816), (320, 222964), (448, 159260), (560, 127408), (640, 111482), (896, 79630), (1120, 63704), (1280, 55741), (1792, 39815), (2240, 31852), (4480, 15926), (7963, 8960)]