80371515

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{2543}}^1$

素因数の和:2608

約数の個数: 48

約数和(自身を含む): 153128448

約数和(自身を除く): 72756933

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 49, 105, 129, 147, 215, 245, 301, 645, 735, 903, 1505, 2107, 2543, 4515, 6321, 7629, 10535, 12715, 17801, 31605, 38145, 53403, 89005, 109349, 124607, 267015, 328047, 373821, 546745, 623035, 765443, 1640235, 1869105, 2296329, 3827215, 5358101, 11481645, 16074303, 26790505, 80371515]

約数ペア:

[(1, 80371515), (3, 26790505), (5, 16074303), (7, 11481645), (15, 5358101), (21, 3827215), (35, 2296329), (43, 1869105), (49, 1640235), (105, 765443), (129, 623035), (147, 546745), (215, 373821), (245, 328047), (301, 267015), (645, 124607), (735, 109349), (903, 89005), (1505, 53403), (2107, 38145), (2543, 31605), (4515, 17801), (6321, 12715), (7629, 10535)]