72670780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{39929}}^1$

素因数の和:39958

約数の個数: 48

約数和(自身を含む): 187830720

約数和(自身を除く): 115159940

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 39929, 79858, 159716, 199645, 279503, 399290, 519077, 559006, 798580, 1038154, 1118012, 1397515, 2076308, 2595385, 2795030, 3633539, 5190770, 5590060, 7267078, 10381540, 14534156, 18167695, 36335390, 72670780]

約数ペア:

[(1, 72670780), (2, 36335390), (4, 18167695), (5, 14534156), (7, 10381540), (10, 7267078), (13, 5590060), (14, 5190770), (20, 3633539), (26, 2795030), (28, 2595385), (35, 2076308), (52, 1397515), (65, 1118012), (70, 1038154), (91, 798580), (130, 559006), (140, 519077), (182, 399290), (260, 279503), (364, 199645), (455, 159716), (910, 79858), (1820, 39929)]