81259640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3769}}^1$

素因数の和:3805

約数の個数: 96

約数和(自身を含む): 232081200

約数和(自身を除く): 150821560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 616, 770, 980, 1078, 1540, 1960, 2156, 2695, 3080, 3769, 4312, 5390, 7538, 10780, 15076, 18845, 21560, 26383, 30152, 37690, 41459, 52766, 75380, 82918, 105532, 131915, 150760, 165836, 184681, 207295, 211064, 263830, 290213, 331672, 369362, 414590, 527660, 580426, 738724, 829180, 923405, 1055320, 1160852, 1451065, 1477448, 1658360, 1846810, 2031491, 2321704, 2902130, 3693620, 4062982, 5804260, 7387240, 8125964, 10157455, 11608520, 16251928, 20314910, 40629820, 81259640]

約数ペア:

[(1, 81259640), (2, 40629820), (4, 20314910), (5, 16251928), (7, 11608520), (8, 10157455), (10, 8125964), (11, 7387240), (14, 5804260), (20, 4062982), (22, 3693620), (28, 2902130), (35, 2321704), (40, 2031491), (44, 1846810), (49, 1658360), (55, 1477448), (56, 1451065), (70, 1160852), (77, 1055320), (88, 923405), (98, 829180), (110, 738724), (140, 580426), (154, 527660), (196, 414590), (220, 369362), (245, 331672), (280, 290213), (308, 263830), (385, 211064), (392, 207295), (440, 184681), (490, 165836), (539, 150760), (616, 131915), (770, 105532), (980, 82918), (1078, 75380), (1540, 52766), (1960, 41459), (2156, 37690), (2695, 30152), (3080, 26383), (3769, 21560), (4312, 18845), (5390, 15076), (7538, 10780)]