81880496720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{115873}}^1$

素因数の和:115981

約数の個数: 120

約数和(自身を含む): 212120334888

約数和(自身を除く): 130239838168

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 73, 80, 88, 110, 121, 146, 176, 220, 242, 292, 365, 440, 484, 584, 605, 730, 803, 880, 968, 1168, 1210, 1460, 1606, 1936, 2420, 2920, 3212, 4015, 4840, 5840, 6424, 8030, 8833, 9680, 12848, 16060, 17666, 32120, 35332, 44165, 64240, 70664, 88330, 115873, 141328, 176660, 231746, 353320, 463492, 579365, 706640, 926984, 1158730, 1274603, 1853968, 2317460, 2549206, 4634920, 5098412, 6373015, 8458729, 9269840, 10196824, 12746030, 14020633, 16917458, 20393648, 25492060, 28041266, 33834916, 42293645, 50984120, 56082532, 67669832, 70103165, 84587290, 93046019, 101968240, 112165064, 135339664, 140206330, 169174580, 186092038, 224330128, 280412660, 338349160, 372184076, 465230095, 560825320, 676698320, 744368152, 930460190, 1023506209, 1121650640, 1488736304, 1860920380, 2047012418, 3721840760, 4094024836, 5117531045, 7443681520, 8188049672, 10235062090, 16376099344, 20470124180, 40940248360, 81880496720]

約数ペア:

[(1, 81880496720), (2, 40940248360), (4, 20470124180), (5, 16376099344), (8, 10235062090), (10, 8188049672), (11, 7443681520), (16, 5117531045), (20, 4094024836), (22, 3721840760), (40, 2047012418), (44, 1860920380), (55, 1488736304), (73, 1121650640), (80, 1023506209), (88, 930460190), (110, 744368152), (121, 676698320), (146, 560825320), (176, 465230095), (220, 372184076), (242, 338349160), (292, 280412660), (365, 224330128), (440, 186092038), (484, 169174580), (584, 140206330), (605, 135339664), (730, 112165064), (803, 101968240), (880, 93046019), (968, 84587290), (1168, 70103165), (1210, 67669832), (1460, 56082532), (1606, 50984120), (1936, 42293645), (2420, 33834916), (2920, 28041266), (3212, 25492060), (4015, 20393648), (4840, 16917458), (5840, 14020633), (6424, 12746030), (8030, 10196824), (8833, 9269840), (9680, 8458729), (12848, 6373015), (16060, 5098412), (17666, 4634920), (32120, 2549206), (35332, 2317460), (44165, 1853968), (64240, 1274603), (70664, 1158730), (88330, 926984), (115873, 706640), (141328, 579365), (176660, 463492), (231746, 353320)]