72445880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1097}}^1$

素因数の和:1248

約数の個数: 64

約数和(自身を含む): 177085440

約数和(自身を除く): 104639560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 127, 130, 254, 260, 508, 520, 635, 1016, 1097, 1270, 1651, 2194, 2540, 3302, 4388, 5080, 5485, 6604, 8255, 8776, 10970, 13208, 14261, 16510, 21940, 28522, 33020, 43880, 57044, 66040, 71305, 114088, 139319, 142610, 278638, 285220, 557276, 570440, 696595, 1114552, 1393190, 1811147, 2786380, 3622294, 5572760, 7244588, 9055735, 14489176, 18111470, 36222940, 72445880]

約数ペア:

[(1, 72445880), (2, 36222940), (4, 18111470), (5, 14489176), (8, 9055735), (10, 7244588), (13, 5572760), (20, 3622294), (26, 2786380), (40, 1811147), (52, 1393190), (65, 1114552), (104, 696595), (127, 570440), (130, 557276), (254, 285220), (260, 278638), (508, 142610), (520, 139319), (635, 114088), (1016, 71305), (1097, 66040), (1270, 57044), (1651, 43880), (2194, 33020), (2540, 28522), (3302, 21940), (4388, 16510), (5080, 14261), (5485, 13208), (6604, 10970), (8255, 8776)]