2491020

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{659}}^1$

素因数の和:684

約数の個数: 96

約数和(自身を含む): 8870400

約数和(自身を除く): 6379380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 659, 756, 945, 1260, 1318, 1890, 1977, 2636, 3295, 3780, 3954, 4613, 5931, 6590, 7908, 9226, 9885, 11862, 13180, 13839, 17793, 18452, 19770, 23065, 23724, 27678, 29655, 35586, 39540, 41517, 46130, 55356, 59310, 69195, 71172, 83034, 88965, 92260, 118620, 124551, 138390, 166068, 177930, 207585, 249102, 276780, 355860, 415170, 498204, 622755, 830340, 1245510, 2491020]

約数ペア:

[(1, 2491020), (2, 1245510), (3, 830340), (4, 622755), (5, 498204), (6, 415170), (7, 355860), (9, 276780), (10, 249102), (12, 207585), (14, 177930), (15, 166068), (18, 138390), (20, 124551), (21, 118620), (27, 92260), (28, 88965), (30, 83034), (35, 71172), (36, 69195), (42, 59310), (45, 55356), (54, 46130), (60, 41517), (63, 39540), (70, 35586), (84, 29655), (90, 27678), (105, 23724), (108, 23065), (126, 19770), (135, 18452), (140, 17793), (180, 13839), (189, 13180), (210, 11862), (252, 9885), (270, 9226), (315, 7908), (378, 6590), (420, 5931), (540, 4613), (630, 3954), (659, 3780), (756, 3295), (945, 2636), (1260, 1977), (1318, 1890)]