1307223680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{291791}}^1$

素因数の和:291817

約数の個数: 64

約数和(自身を含む): 3571534080

約数和(自身を除く): 2264310400

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, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 291791, 583582, 1167164, 1458955, 2042537, 2334328, 2917910, 4085074, 4668656, 5835820, 8170148, 9337312, 10212685, 11671640, 16340296, 18674624, 20425370, 23343280, 32680592, 37349248, 40850740, 46686560, 65361184, 81701480, 93373120, 130722368, 163402960, 186746240, 261444736, 326805920, 653611840, 1307223680]

約数ペア:

[(1, 1307223680), (2, 653611840), (4, 326805920), (5, 261444736), (7, 186746240), (8, 163402960), (10, 130722368), (14, 93373120), (16, 81701480), (20, 65361184), (28, 46686560), (32, 40850740), (35, 37349248), (40, 32680592), (56, 23343280), (64, 20425370), (70, 18674624), (80, 16340296), (112, 11671640), (128, 10212685), (140, 9337312), (160, 8170148), (224, 5835820), (280, 4668656), (320, 4085074), (448, 2917910), (560, 2334328), (640, 2042537), (896, 1458955), (1120, 1167164), (2240, 583582), (4480, 291791)]