81693040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:267

約数の個数: 160

約数和(自身を含む): 230360256

約数和(自身を除く): 148667216

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 37, 40, 44, 52, 55, 65, 74, 80, 88, 104, 110, 130, 143, 148, 176, 185, 193, 208, 220, 260, 286, 296, 370, 386, 407, 440, 481, 520, 572, 592, 715, 740, 772, 814, 880, 962, 965, 1040, 1144, 1430, 1480, 1544, 1628, 1924, 1930, 2035, 2123, 2288, 2405, 2509, 2860, 2960, 3088, 3256, 3848, 3860, 4070, 4246, 4810, 5018, 5291, 5720, 6512, 7141, 7696, 7720, 8140, 8492, 9620, 10036, 10582, 10615, 11440, 12545, 14282, 15440, 16280, 16984, 19240, 20072, 21164, 21230, 25090, 26455, 27599, 28564, 32560, 33968, 35705, 38480, 40144, 42328, 42460, 50180, 52910, 55198, 57128, 71410, 78551, 84656, 84920, 92833, 100360, 105820, 110396, 114256, 137995, 142820, 157102, 169840, 185666, 200720, 211640, 220792, 275990, 285640, 314204, 371332, 392755, 423280, 441584, 464165, 551980, 571280, 628408, 742664, 785510, 928330, 1021163, 1103960, 1256816, 1485328, 1571020, 1856660, 2042326, 2207920, 3142040, 3713320, 4084652, 5105815, 6284080, 7426640, 8169304, 10211630, 16338608, 20423260, 40846520, 81693040]

約数ペア:

[(1, 81693040), (2, 40846520), (4, 20423260), (5, 16338608), (8, 10211630), (10, 8169304), (11, 7426640), (13, 6284080), (16, 5105815), (20, 4084652), (22, 3713320), (26, 3142040), (37, 2207920), (40, 2042326), (44, 1856660), (52, 1571020), (55, 1485328), (65, 1256816), (74, 1103960), (80, 1021163), (88, 928330), (104, 785510), (110, 742664), (130, 628408), (143, 571280), (148, 551980), (176, 464165), (185, 441584), (193, 423280), (208, 392755), (220, 371332), (260, 314204), (286, 285640), (296, 275990), (370, 220792), (386, 211640), (407, 200720), (440, 185666), (481, 169840), (520, 157102), (572, 142820), (592, 137995), (715, 114256), (740, 110396), (772, 105820), (814, 100360), (880, 92833), (962, 84920), (965, 84656), (1040, 78551), (1144, 71410), (1430, 57128), (1480, 55198), (1544, 52910), (1628, 50180), (1924, 42460), (1930, 42328), (2035, 40144), (2123, 38480), (2288, 35705), (2405, 33968), (2509, 32560), (2860, 28564), (2960, 27599), (3088, 26455), (3256, 25090), (3848, 21230), (3860, 21164), (4070, 20072), (4246, 19240), (4810, 16984), (5018, 16280), (5291, 15440), (5720, 14282), (6512, 12545), (7141, 11440), (7696, 10615), (7720, 10582), (8140, 10036), (8492, 9620)]