201121360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:377

約数の個数: 120

約数和(自身を含む): 522466560

約数和(自身を除く): 321345200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 79, 80, 88, 110, 121, 158, 176, 220, 242, 263, 316, 395, 440, 484, 526, 605, 632, 790, 869, 880, 968, 1052, 1210, 1264, 1315, 1580, 1738, 1936, 2104, 2420, 2630, 2893, 3160, 3476, 4208, 4345, 4840, 5260, 5786, 6320, 6952, 8690, 9559, 9680, 10520, 11572, 13904, 14465, 17380, 19118, 20777, 21040, 23144, 28930, 31823, 34760, 38236, 41554, 46288, 47795, 57860, 63646, 69520, 76472, 83108, 95590, 103885, 115720, 127292, 152944, 159115, 166216, 191180, 207770, 228547, 231440, 254584, 318230, 332432, 382360, 415540, 457094, 509168, 636460, 764720, 831080, 914188, 1142735, 1272920, 1662160, 1828376, 2285470, 2514017, 2545840, 3656752, 4570940, 5028034, 9141880, 10056068, 12570085, 18283760, 20112136, 25140170, 40224272, 50280340, 100560680, 201121360]

約数ペア:

[(1, 201121360), (2, 100560680), (4, 50280340), (5, 40224272), (8, 25140170), (10, 20112136), (11, 18283760), (16, 12570085), (20, 10056068), (22, 9141880), (40, 5028034), (44, 4570940), (55, 3656752), (79, 2545840), (80, 2514017), (88, 2285470), (110, 1828376), (121, 1662160), (158, 1272920), (176, 1142735), (220, 914188), (242, 831080), (263, 764720), (316, 636460), (395, 509168), (440, 457094), (484, 415540), (526, 382360), (605, 332432), (632, 318230), (790, 254584), (869, 231440), (880, 228547), (968, 207770), (1052, 191180), (1210, 166216), (1264, 159115), (1315, 152944), (1580, 127292), (1738, 115720), (1936, 103885), (2104, 95590), (2420, 83108), (2630, 76472), (2893, 69520), (3160, 63646), (3476, 57860), (4208, 47795), (4345, 46288), (4840, 41554), (5260, 38236), (5786, 34760), (6320, 31823), (6952, 28930), (8690, 23144), (9559, 21040), (9680, 20777), (10520, 19118), (11572, 17380), (13904, 14465)]