2490210

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1$

素因数の和:440

約数の個数: 64

約数和(自身を含む): 6946560

約数和(自身を除く): 4456350

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 90, 115, 135, 138, 207, 230, 270, 345, 401, 414, 621, 690, 802, 1035, 1203, 1242, 2005, 2070, 2406, 3105, 3609, 4010, 6015, 6210, 7218, 9223, 10827, 12030, 18045, 18446, 21654, 27669, 36090, 46115, 54135, 55338, 83007, 92230, 108270, 138345, 166014, 249021, 276690, 415035, 498042, 830070, 1245105, 2490210]

約数ペア:

[(1, 2490210), (2, 1245105), (3, 830070), (5, 498042), (6, 415035), (9, 276690), (10, 249021), (15, 166014), (18, 138345), (23, 108270), (27, 92230), (30, 83007), (45, 55338), (46, 54135), (54, 46115), (69, 36090), (90, 27669), (115, 21654), (135, 18446), (138, 18045), (207, 12030), (230, 10827), (270, 9223), (345, 7218), (401, 6210), (414, 6015), (621, 4010), (690, 3609), (802, 3105), (1035, 2406), (1203, 2070), (1242, 2005)]