210120

素因数分解:

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

素因数の和:134

約数の個数: 64

約数和(自身を含む): 673920

約数和(自身を除く): 463800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 103, 120, 136, 170, 204, 206, 255, 309, 340, 408, 412, 510, 515, 618, 680, 824, 1020, 1030, 1236, 1545, 1751, 2040, 2060, 2472, 3090, 3502, 4120, 5253, 6180, 7004, 8755, 10506, 12360, 14008, 17510, 21012, 26265, 35020, 42024, 52530, 70040, 105060, 210120]

約数ペア:

[(1, 210120), (2, 105060), (3, 70040), (4, 52530), (5, 42024), (6, 35020), (8, 26265), (10, 21012), (12, 17510), (15, 14008), (17, 12360), (20, 10506), (24, 8755), (30, 7004), (34, 6180), (40, 5253), (51, 4120), (60, 3502), (68, 3090), (85, 2472), (102, 2060), (103, 2040), (120, 1751), (136, 1545), (170, 1236), (204, 1030), (206, 1020), (255, 824), (309, 680), (340, 618), (408, 515), (412, 510)]