217371660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{379}}^1$

素因数の和:492

約数の個数: 144

約数和(自身を含む): 679257600

約数和(自身を除く): 461885940

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 79, 110, 121, 132, 158, 165, 220, 237, 242, 316, 330, 363, 379, 395, 474, 484, 605, 660, 726, 758, 790, 869, 948, 1137, 1185, 1210, 1452, 1516, 1580, 1738, 1815, 1895, 2274, 2370, 2420, 2607, 3476, 3630, 3790, 4169, 4345, 4548, 4740, 5214, 5685, 7260, 7580, 8338, 8690, 9559, 10428, 11370, 12507, 13035, 16676, 17380, 19118, 20845, 22740, 25014, 26070, 28677, 29941, 38236, 41690, 45859, 47795, 50028, 52140, 57354, 59882, 62535, 83380, 89823, 91718, 95590, 114708, 119764, 125070, 137577, 143385, 149705, 179646, 183436, 191180, 229295, 250140, 275154, 286770, 299410, 329351, 359292, 449115, 458590, 550308, 573540, 598820, 658702, 687885, 898230, 917180, 988053, 1317404, 1375770, 1646755, 1796460, 1976106, 2751540, 3293510, 3622861, 3952212, 4940265, 6587020, 7245722, 9880530, 10868583, 14491444, 18114305, 19761060, 21737166, 36228610, 43474332, 54342915, 72457220, 108685830, 217371660]

約数ペア:

[(1, 217371660), (2, 108685830), (3, 72457220), (4, 54342915), (5, 43474332), (6, 36228610), (10, 21737166), (11, 19761060), (12, 18114305), (15, 14491444), (20, 10868583), (22, 9880530), (30, 7245722), (33, 6587020), (44, 4940265), (55, 3952212), (60, 3622861), (66, 3293510), (79, 2751540), (110, 1976106), (121, 1796460), (132, 1646755), (158, 1375770), (165, 1317404), (220, 988053), (237, 917180), (242, 898230), (316, 687885), (330, 658702), (363, 598820), (379, 573540), (395, 550308), (474, 458590), (484, 449115), (605, 359292), (660, 329351), (726, 299410), (758, 286770), (790, 275154), (869, 250140), (948, 229295), (1137, 191180), (1185, 183436), (1210, 179646), (1452, 149705), (1516, 143385), (1580, 137577), (1738, 125070), (1815, 119764), (1895, 114708), (2274, 95590), (2370, 91718), (2420, 89823), (2607, 83380), (3476, 62535), (3630, 59882), (3790, 57354), (4169, 52140), (4345, 50028), (4548, 47795), (4740, 45859), (5214, 41690), (5685, 38236), (7260, 29941), (7580, 28677), (8338, 26070), (8690, 25014), (9559, 22740), (10428, 20845), (11370, 19118), (12507, 17380), (13035, 16676)]