90123012

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{8317}}^1$

素因数の和:8377

約数の個数: 72

約数和(自身を含む): 266442176

約数和(自身を除く): 176319164

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 63, 84, 86, 126, 129, 172, 252, 258, 301, 387, 516, 602, 774, 903, 1204, 1548, 1806, 2709, 3612, 5418, 8317, 10836, 16634, 24951, 33268, 49902, 58219, 74853, 99804, 116438, 149706, 174657, 232876, 299412, 349314, 357631, 523971, 698628, 715262, 1047942, 1072893, 1430524, 2095884, 2145786, 2503417, 3218679, 4291572, 5006834, 6437358, 7510251, 10013668, 12874716, 15020502, 22530753, 30041004, 45061506, 90123012]

約数ペア:

[(1, 90123012), (2, 45061506), (3, 30041004), (4, 22530753), (6, 15020502), (7, 12874716), (9, 10013668), (12, 7510251), (14, 6437358), (18, 5006834), (21, 4291572), (28, 3218679), (36, 2503417), (42, 2145786), (43, 2095884), (63, 1430524), (84, 1072893), (86, 1047942), (126, 715262), (129, 698628), (172, 523971), (252, 357631), (258, 349314), (301, 299412), (387, 232876), (516, 174657), (602, 149706), (774, 116438), (903, 99804), (1204, 74853), (1548, 58219), (1806, 49902), (2709, 33268), (3612, 24951), (5418, 16634), (8317, 10836)]