72162580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{13931}}^1$

素因数の和:13984

約数の個数: 48

約数和(自身を含む): 177883776

約数和(自身を除く): 105721196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 13931, 27862, 55724, 69655, 97517, 139310, 195034, 278620, 390068, 487585, 515447, 975170, 1030894, 1950340, 2061788, 2577235, 3608129, 5154470, 7216258, 10308940, 14432516, 18040645, 36081290, 72162580]

約数ペア:

[(1, 72162580), (2, 36081290), (4, 18040645), (5, 14432516), (7, 10308940), (10, 7216258), (14, 5154470), (20, 3608129), (28, 2577235), (35, 2061788), (37, 1950340), (70, 1030894), (74, 975170), (140, 515447), (148, 487585), (185, 390068), (259, 278620), (370, 195034), (518, 139310), (740, 97517), (1036, 69655), (1295, 55724), (2590, 27862), (5180, 13931)]