82164180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{27947}}^1$

素因数の和:27973

約数の個数: 72

約数和(自身を含む): 267630048

約数和(自身を除く): 185465868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 27947, 55894, 83841, 111788, 139735, 167682, 195629, 279470, 335364, 391258, 419205, 558940, 586887, 782516, 838410, 978145, 1173774, 1369403, 1676820, 1956290, 2347548, 2738806, 2934435, 3912580, 4108209, 5477612, 5868870, 6847015, 8216418, 11737740, 13694030, 16432836, 20541045, 27388060, 41082090, 82164180]

約数ペア:

[(1, 82164180), (2, 41082090), (3, 27388060), (4, 20541045), (5, 16432836), (6, 13694030), (7, 11737740), (10, 8216418), (12, 6847015), (14, 5868870), (15, 5477612), (20, 4108209), (21, 3912580), (28, 2934435), (30, 2738806), (35, 2347548), (42, 1956290), (49, 1676820), (60, 1369403), (70, 1173774), (84, 978145), (98, 838410), (105, 782516), (140, 586887), (147, 558940), (196, 419205), (210, 391258), (245, 335364), (294, 279470), (420, 195629), (490, 167682), (588, 139735), (735, 111788), (980, 83841), (1470, 55894), (2940, 27947)]