990120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 3064320

約数和(自身を除く): 2074200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 223, 296, 370, 444, 446, 555, 669, 740, 888, 892, 1110, 1115, 1338, 1480, 1784, 2220, 2230, 2676, 3345, 4440, 4460, 5352, 6690, 8251, 8920, 13380, 16502, 24753, 26760, 33004, 41255, 49506, 66008, 82510, 99012, 123765, 165020, 198024, 247530, 330040, 495060, 990120]

約数ペア:

[(1, 990120), (2, 495060), (3, 330040), (4, 247530), (5, 198024), (6, 165020), (8, 123765), (10, 99012), (12, 82510), (15, 66008), (20, 49506), (24, 41255), (30, 33004), (37, 26760), (40, 24753), (60, 16502), (74, 13380), (111, 8920), (120, 8251), (148, 6690), (185, 5352), (222, 4460), (223, 4440), (296, 3345), (370, 2676), (444, 2230), (446, 2220), (555, 1784), (669, 1480), (740, 1338), (888, 1115), (892, 1110)]