18666120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:283

約数の個数: 128

約数和(自身を含む): 62208000

約数和(自身を除く): 43541880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 79, 88, 110, 120, 132, 158, 165, 179, 220, 237, 264, 316, 330, 358, 395, 440, 474, 537, 632, 660, 716, 790, 869, 895, 948, 1074, 1185, 1320, 1432, 1580, 1738, 1790, 1896, 1969, 2148, 2370, 2607, 2685, 3160, 3476, 3580, 3938, 4296, 4345, 4740, 5214, 5370, 5907, 6952, 7160, 7876, 8690, 9480, 9845, 10428, 10740, 11814, 13035, 14141, 15752, 17380, 19690, 20856, 21480, 23628, 26070, 28282, 29535, 34760, 39380, 42423, 47256, 52140, 56564, 59070, 70705, 78760, 84846, 104280, 113128, 118140, 141410, 155551, 169692, 212115, 236280, 282820, 311102, 339384, 424230, 466653, 565640, 622204, 777755, 848460, 933306, 1244408, 1555510, 1696920, 1866612, 2333265, 3111020, 3733224, 4666530, 6222040, 9333060, 18666120]

約数ペア:

[(1, 18666120), (2, 9333060), (3, 6222040), (4, 4666530), (5, 3733224), (6, 3111020), (8, 2333265), (10, 1866612), (11, 1696920), (12, 1555510), (15, 1244408), (20, 933306), (22, 848460), (24, 777755), (30, 622204), (33, 565640), (40, 466653), (44, 424230), (55, 339384), (60, 311102), (66, 282820), (79, 236280), (88, 212115), (110, 169692), (120, 155551), (132, 141410), (158, 118140), (165, 113128), (179, 104280), (220, 84846), (237, 78760), (264, 70705), (316, 59070), (330, 56564), (358, 52140), (395, 47256), (440, 42423), (474, 39380), (537, 34760), (632, 29535), (660, 28282), (716, 26070), (790, 23628), (869, 21480), (895, 20856), (948, 19690), (1074, 17380), (1185, 15752), (1320, 14141), (1432, 13035), (1580, 11814), (1738, 10740), (1790, 10428), (1896, 9845), (1969, 9480), (2148, 8690), (2370, 7876), (2607, 7160), (2685, 6952), (3160, 5907), (3476, 5370), (3580, 5214), (3938, 4740), (4296, 4345)]