80180685

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:284

約数の個数: 80

約数和(自身を含む): 157379376

約数和(自身を除く): 77198691

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 97, 117, 135, 157, 195, 291, 351, 405, 471, 485, 585, 785, 873, 1053, 1261, 1413, 1455, 1755, 2041, 2355, 2619, 3783, 4239, 4365, 5265, 6123, 6305, 7065, 7857, 10205, 11349, 12717, 13095, 15229, 18369, 18915, 21195, 30615, 34047, 39285, 45687, 55107, 56745, 63585, 76145, 91845, 102141, 137061, 165321, 170235, 197977, 228435, 275535, 411183, 510705, 593931, 685305, 826605, 989885, 1233549, 1781793, 2055915, 2969655, 5345379, 6167745, 8908965, 16036137, 26726895, 80180685]

約数ペア:

[(1, 80180685), (3, 26726895), (5, 16036137), (9, 8908965), (13, 6167745), (15, 5345379), (27, 2969655), (39, 2055915), (45, 1781793), (65, 1233549), (81, 989885), (97, 826605), (117, 685305), (135, 593931), (157, 510705), (195, 411183), (291, 275535), (351, 228435), (405, 197977), (471, 170235), (485, 165321), (585, 137061), (785, 102141), (873, 91845), (1053, 76145), (1261, 63585), (1413, 56745), (1455, 55107), (1755, 45687), (2041, 39285), (2355, 34047), (2619, 30615), (3783, 21195), (4239, 18915), (4365, 18369), (5265, 15229), (6123, 13095), (6305, 12717), (7065, 11349), (7857, 10205)]