747760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{719}}^1$

素因数の和:745

約数の個数: 40

約数和(自身を含む): 1874880

約数和(自身を除く): 1127120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 719, 1040, 1438, 2876, 3595, 5752, 7190, 9347, 11504, 14380, 18694, 28760, 37388, 46735, 57520, 74776, 93470, 149552, 186940, 373880, 747760]

約数ペア:

[(1, 747760), (2, 373880), (4, 186940), (5, 149552), (8, 93470), (10, 74776), (13, 57520), (16, 46735), (20, 37388), (26, 28760), (40, 18694), (52, 14380), (65, 11504), (80, 9347), (104, 7190), (130, 5752), (208, 3595), (260, 2876), (520, 1438), (719, 1040)]