820171890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{2689}}^1\times {\mathrm{3389}}^1$

素因数の和:6091

約数の個数: 48

約数和(自身を含む): 2133869400

約数和(自身を除く): 1313697510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 2689, 3389, 5378, 6778, 8067, 10167, 13445, 16134, 16945, 20334, 24201, 26890, 30501, 33890, 40335, 48402, 50835, 61002, 80670, 101670, 121005, 152505, 242010, 305010, 9113021, 18226042, 27339063, 45565105, 54678126, 82017189, 91130210, 136695315, 164034378, 273390630, 410085945, 820171890]

約数ペア:

[(1, 820171890), (2, 410085945), (3, 273390630), (5, 164034378), (6, 136695315), (9, 91130210), (10, 82017189), (15, 54678126), (18, 45565105), (30, 27339063), (45, 18226042), (90, 9113021), (2689, 305010), (3389, 242010), (5378, 152505), (6778, 121005), (8067, 101670), (10167, 80670), (13445, 61002), (16134, 50835), (16945, 48402), (20334, 40335), (24201, 33890), (26890, 30501)]