722182160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{1951}}^1$

素因数の和:2632

約数の個数: 80

約数和(自身を含む): 1922829312

約数和(自身を除く): 1200647152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 661, 1322, 1951, 2644, 3305, 3902, 4627, 5288, 6610, 7804, 9254, 9755, 10576, 13220, 13657, 15608, 18508, 19510, 23135, 26440, 27314, 31216, 37016, 39020, 46270, 52880, 54628, 68285, 74032, 78040, 92540, 109256, 136570, 156080, 185080, 218512, 273140, 370160, 546280, 1092560, 1289611, 2579222, 5158444, 6448055, 9027277, 10316888, 12896110, 18054554, 20633776, 25792220, 36109108, 45136385, 51584440, 72218216, 90272770, 103168880, 144436432, 180545540, 361091080, 722182160]

約数ペア:

[(1, 722182160), (2, 361091080), (4, 180545540), (5, 144436432), (7, 103168880), (8, 90272770), (10, 72218216), (14, 51584440), (16, 45136385), (20, 36109108), (28, 25792220), (35, 20633776), (40, 18054554), (56, 12896110), (70, 10316888), (80, 9027277), (112, 6448055), (140, 5158444), (280, 2579222), (560, 1289611), (661, 1092560), (1322, 546280), (1951, 370160), (2644, 273140), (3305, 218512), (3902, 185080), (4627, 156080), (5288, 136570), (6610, 109256), (7804, 92540), (9254, 78040), (9755, 74032), (10576, 68285), (13220, 54628), (13657, 52880), (15608, 46270), (18508, 39020), (19510, 37016), (23135, 31216), (26440, 27314)]