315180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1$

素因数の和:135

約数の個数: 72

約数和(自身を含む): 1022112

約数和(自身を除く): 706932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 103, 153, 170, 180, 204, 206, 255, 306, 309, 340, 412, 510, 515, 612, 618, 765, 927, 1020, 1030, 1236, 1530, 1545, 1751, 1854, 2060, 3060, 3090, 3502, 3708, 4635, 5253, 6180, 7004, 8755, 9270, 10506, 15759, 17510, 18540, 21012, 26265, 31518, 35020, 52530, 63036, 78795, 105060, 157590, 315180]

約数ペア:

[(1, 315180), (2, 157590), (3, 105060), (4, 78795), (5, 63036), (6, 52530), (9, 35020), (10, 31518), (12, 26265), (15, 21012), (17, 18540), (18, 17510), (20, 15759), (30, 10506), (34, 9270), (36, 8755), (45, 7004), (51, 6180), (60, 5253), (68, 4635), (85, 3708), (90, 3502), (102, 3090), (103, 3060), (153, 2060), (170, 1854), (180, 1751), (204, 1545), (206, 1530), (255, 1236), (306, 1030), (309, 1020), (340, 927), (412, 765), (510, 618), (515, 612)]