81713940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{769}}^1$

素因数の和:822

約数の個数: 192

約数和(自身を含む): 298045440

約数和(自身を除く): 216331500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 23, 28, 30, 33, 35, 42, 44, 46, 55, 60, 66, 69, 70, 77, 84, 92, 105, 110, 115, 132, 138, 140, 154, 161, 165, 210, 220, 230, 231, 253, 276, 308, 322, 330, 345, 385, 420, 460, 462, 483, 506, 644, 660, 690, 759, 769, 770, 805, 924, 966, 1012, 1155, 1265, 1380, 1518, 1538, 1540, 1610, 1771, 1932, 2307, 2310, 2415, 2530, 3036, 3076, 3220, 3542, 3795, 3845, 4614, 4620, 4830, 5060, 5313, 5383, 7084, 7590, 7690, 8459, 8855, 9228, 9660, 10626, 10766, 11535, 15180, 15380, 16149, 16918, 17687, 17710, 21252, 21532, 23070, 25377, 26565, 26915, 32298, 33836, 35374, 35420, 42295, 46140, 50754, 53061, 53130, 53830, 59213, 64596, 70748, 80745, 84590, 88435, 101508, 106122, 106260, 107660, 118426, 123809, 126885, 161490, 169180, 176870, 177639, 194557, 212244, 236852, 247618, 253770, 265305, 296065, 322980, 353740, 355278, 371427, 389114, 495236, 507540, 530610, 583671, 592130, 619045, 710556, 742854, 778228, 888195, 972785, 1061220, 1167342, 1184260, 1238090, 1361899, 1485708, 1776390, 1857135, 1945570, 2334684, 2476180, 2723798, 2918355, 3552780, 3714270, 3891140, 4085697, 5447596, 5836710, 6809495, 7428540, 8171394, 11673420, 13618990, 16342788, 20428485, 27237980, 40856970, 81713940]

約数ペア:

[(1, 81713940), (2, 40856970), (3, 27237980), (4, 20428485), (5, 16342788), (6, 13618990), (7, 11673420), (10, 8171394), (11, 7428540), (12, 6809495), (14, 5836710), (15, 5447596), (20, 4085697), (21, 3891140), (22, 3714270), (23, 3552780), (28, 2918355), (30, 2723798), (33, 2476180), (35, 2334684), (42, 1945570), (44, 1857135), (46, 1776390), (55, 1485708), (60, 1361899), (66, 1238090), (69, 1184260), (70, 1167342), (77, 1061220), (84, 972785), (92, 888195), (105, 778228), (110, 742854), (115, 710556), (132, 619045), (138, 592130), (140, 583671), (154, 530610), (161, 507540), (165, 495236), (210, 389114), (220, 371427), (230, 355278), (231, 353740), (253, 322980), (276, 296065), (308, 265305), (322, 253770), (330, 247618), (345, 236852), (385, 212244), (420, 194557), (460, 177639), (462, 176870), (483, 169180), (506, 161490), (644, 126885), (660, 123809), (690, 118426), (759, 107660), (769, 106260), (770, 106122), (805, 101508), (924, 88435), (966, 84590), (1012, 80745), (1155, 70748), (1265, 64596), (1380, 59213), (1518, 53830), (1538, 53130), (1540, 53061), (1610, 50754), (1771, 46140), (1932, 42295), (2307, 35420), (2310, 35374), (2415, 33836), (2530, 32298), (3036, 26915), (3076, 26565), (3220, 25377), (3542, 23070), (3795, 21532), (3845, 21252), (4614, 17710), (4620, 17687), (4830, 16918), (5060, 16149), (5313, 15380), (5383, 15180), (7084, 11535), (7590, 10766), (7690, 10626), (8459, 9660), (8855, 9228)]