79821560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21929}}^1$

素因数の和:21960

約数の個数: 64

約数和(自身を含む): 221054400

約数和(自身を除く): 141232840

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 21929, 43858, 87716, 109645, 153503, 175432, 219290, 285077, 307006, 438580, 570154, 614012, 767515, 877160, 1140308, 1228024, 1425385, 1535030, 1995539, 2280616, 2850770, 3070060, 3991078, 5701540, 6140120, 7982156, 9977695, 11403080, 15964312, 19955390, 39910780, 79821560]

約数ペア:

[(1, 79821560), (2, 39910780), (4, 19955390), (5, 15964312), (7, 11403080), (8, 9977695), (10, 7982156), (13, 6140120), (14, 5701540), (20, 3991078), (26, 3070060), (28, 2850770), (35, 2280616), (40, 1995539), (52, 1535030), (56, 1425385), (65, 1228024), (70, 1140308), (91, 877160), (104, 767515), (130, 614012), (140, 570154), (182, 438580), (260, 307006), (280, 285077), (364, 219290), (455, 175432), (520, 153503), (728, 109645), (910, 87716), (1820, 43858), (3640, 21929)]