155220520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{42643}}^1$

素因数の和:42674

約数の個数: 64

約数和(自身を含む): 429851520

約数和(自身を除く): 274631000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 42643, 85286, 170572, 213215, 298501, 341144, 426430, 554359, 597002, 852860, 1108718, 1194004, 1492505, 1705720, 2217436, 2388008, 2771795, 2985010, 3880513, 4434872, 5543590, 5970020, 7761026, 11087180, 11940040, 15522052, 19402565, 22174360, 31044104, 38805130, 77610260, 155220520]

約数ペア:

[(1, 155220520), (2, 77610260), (4, 38805130), (5, 31044104), (7, 22174360), (8, 19402565), (10, 15522052), (13, 11940040), (14, 11087180), (20, 7761026), (26, 5970020), (28, 5543590), (35, 4434872), (40, 3880513), (52, 2985010), (56, 2771795), (65, 2388008), (70, 2217436), (91, 1705720), (104, 1492505), (130, 1194004), (140, 1108718), (182, 852860), (260, 597002), (280, 554359), (364, 426430), (455, 341144), (520, 298501), (728, 213215), (910, 170572), (1820, 85286), (3640, 42643)]