8154180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{509}}^1$

素因数の和:613

約数の個数: 72

約数和(自身を含む): 25061400

約数和(自身を除く): 16907220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 509, 534, 801, 890, 1018, 1068, 1335, 1527, 1602, 1780, 2036, 2545, 2670, 3054, 3204, 4005, 4581, 5090, 5340, 6108, 7635, 8010, 9162, 10180, 15270, 16020, 18324, 22905, 30540, 45301, 45810, 90602, 91620, 135903, 181204, 226505, 271806, 407709, 453010, 543612, 679515, 815418, 906020, 1359030, 1630836, 2038545, 2718060, 4077090, 8154180]

約数ペア:

[(1, 8154180), (2, 4077090), (3, 2718060), (4, 2038545), (5, 1630836), (6, 1359030), (9, 906020), (10, 815418), (12, 679515), (15, 543612), (18, 453010), (20, 407709), (30, 271806), (36, 226505), (45, 181204), (60, 135903), (89, 91620), (90, 90602), (178, 45810), (180, 45301), (267, 30540), (356, 22905), (445, 18324), (509, 16020), (534, 15270), (801, 10180), (890, 9162), (1018, 8010), (1068, 7635), (1335, 6108), (1527, 5340), (1602, 5090), (1780, 4581), (2036, 4005), (2545, 3204), (2670, 3054)]