70721560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19429}}^1$

素因数の和:19460

約数の個数: 64

約数和(自身を含む): 195854400

約数和(自身を除く): 125132840

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, 19429, 38858, 77716, 97145, 136003, 155432, 194290, 252577, 272006, 388580, 505154, 544012, 680015, 777160, 1010308, 1088024, 1262885, 1360030, 1768039, 2020616, 2525770, 2720060, 3536078, 5051540, 5440120, 7072156, 8840195, 10103080, 14144312, 17680390, 35360780, 70721560]

約数ペア:

[(1, 70721560), (2, 35360780), (4, 17680390), (5, 14144312), (7, 10103080), (8, 8840195), (10, 7072156), (13, 5440120), (14, 5051540), (20, 3536078), (26, 2720060), (28, 2525770), (35, 2020616), (40, 1768039), (52, 1360030), (56, 1262885), (65, 1088024), (70, 1010308), (91, 777160), (104, 680015), (130, 544012), (140, 505154), (182, 388580), (260, 272006), (280, 252577), (364, 194290), (455, 155432), (520, 136003), (728, 97145), (910, 77716), (1820, 38858), (3640, 19429)]