72446440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{719}}^1$

素因数の和:970

約数の個数: 64

約数和(自身を含む): 178848000

約数和(自身を除く): 106401560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 229, 440, 458, 719, 916, 1145, 1438, 1832, 2290, 2519, 2876, 3595, 4580, 5038, 5752, 7190, 7909, 9160, 10076, 12595, 14380, 15818, 20152, 25190, 28760, 31636, 39545, 50380, 63272, 79090, 100760, 158180, 164651, 316360, 329302, 658604, 823255, 1317208, 1646510, 1811161, 3293020, 3622322, 6586040, 7244644, 9055805, 14489288, 18111610, 36223220, 72446440]

約数ペア:

[(1, 72446440), (2, 36223220), (4, 18111610), (5, 14489288), (8, 9055805), (10, 7244644), (11, 6586040), (20, 3622322), (22, 3293020), (40, 1811161), (44, 1646510), (55, 1317208), (88, 823255), (110, 658604), (220, 329302), (229, 316360), (440, 164651), (458, 158180), (719, 100760), (916, 79090), (1145, 63272), (1438, 50380), (1832, 39545), (2290, 31636), (2519, 28760), (2876, 25190), (3595, 20152), (4580, 15818), (5038, 14380), (5752, 12595), (7190, 10076), (7909, 9160)]