81224208

素因数分解:

$2^4\times 3^5\times {\mathrm{13}}^1\times {\mathrm{1607}}^1$

素因数の和:1643

約数の個数: 120

約数和(自身を含む): 254025408

約数和(自身を除く): 172801200

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 81, 104, 108, 117, 144, 156, 162, 208, 216, 234, 243, 312, 324, 351, 432, 468, 486, 624, 648, 702, 936, 972, 1053, 1296, 1404, 1607, 1872, 1944, 2106, 2808, 3159, 3214, 3888, 4212, 4821, 5616, 6318, 6428, 8424, 9642, 12636, 12856, 14463, 16848, 19284, 20891, 25272, 25712, 28926, 38568, 41782, 43389, 50544, 57852, 62673, 77136, 83564, 86778, 115704, 125346, 130167, 167128, 173556, 188019, 231408, 250692, 260334, 334256, 347112, 376038, 390501, 501384, 520668, 564057, 694224, 752076, 781002, 1002768, 1041336, 1128114, 1504152, 1562004, 1692171, 2082672, 2256228, 3008304, 3124008, 3384342, 4512456, 5076513, 6248016, 6768684, 9024912, 10153026, 13537368, 20306052, 27074736, 40612104, 81224208]

約数ペア:

[(1, 81224208), (2, 40612104), (3, 27074736), (4, 20306052), (6, 13537368), (8, 10153026), (9, 9024912), (12, 6768684), (13, 6248016), (16, 5076513), (18, 4512456), (24, 3384342), (26, 3124008), (27, 3008304), (36, 2256228), (39, 2082672), (48, 1692171), (52, 1562004), (54, 1504152), (72, 1128114), (78, 1041336), (81, 1002768), (104, 781002), (108, 752076), (117, 694224), (144, 564057), (156, 520668), (162, 501384), (208, 390501), (216, 376038), (234, 347112), (243, 334256), (312, 260334), (324, 250692), (351, 231408), (432, 188019), (468, 173556), (486, 167128), (624, 130167), (648, 125346), (702, 115704), (936, 86778), (972, 83564), (1053, 77136), (1296, 62673), (1404, 57852), (1607, 50544), (1872, 43389), (1944, 41782), (2106, 38568), (2808, 28926), (3159, 25712), (3214, 25272), (3888, 20891), (4212, 19284), (4821, 16848), (5616, 14463), (6318, 12856), (6428, 12636), (8424, 9642)]