78077440

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{4357}}^1$

素因数の和:4387

約数の個数: 80

約数和(自身を含む): 213995232

約数和(自身を除く): 135917792

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, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3584, 4357, 4480, 8714, 8960, 17428, 17920, 21785, 30499, 34856, 43570, 60998, 69712, 87140, 121996, 139424, 152495, 174280, 243992, 278848, 304990, 348560, 487984, 557696, 609980, 697120, 975968, 1115392, 1219960, 1394240, 1951936, 2230784, 2439920, 2788480, 3903872, 4879840, 5576960, 7807744, 9759680, 11153920, 15615488, 19519360, 39038720, 78077440]

約数ペア:

[(1, 78077440), (2, 39038720), (4, 19519360), (5, 15615488), (7, 11153920), (8, 9759680), (10, 7807744), (14, 5576960), (16, 4879840), (20, 3903872), (28, 2788480), (32, 2439920), (35, 2230784), (40, 1951936), (56, 1394240), (64, 1219960), (70, 1115392), (80, 975968), (112, 697120), (128, 609980), (140, 557696), (160, 487984), (224, 348560), (256, 304990), (280, 278848), (320, 243992), (448, 174280), (512, 152495), (560, 139424), (640, 121996), (896, 87140), (1120, 69712), (1280, 60998), (1792, 43570), (2240, 34856), (2560, 30499), (3584, 21785), (4357, 17920), (4480, 17428), (8714, 8960)]