1555492760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:202

約数の個数: 192

約数和(自身を含む): 3977618400

約数和(自身を除く): 2422125640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 53, 73, 76, 92, 95, 106, 115, 146, 152, 184, 190, 212, 230, 265, 292, 365, 380, 424, 437, 460, 529, 530, 584, 730, 760, 874, 920, 1007, 1058, 1060, 1219, 1387, 1460, 1679, 1748, 2014, 2116, 2120, 2185, 2438, 2645, 2774, 2920, 3358, 3496, 3869, 4028, 4232, 4370, 4876, 5035, 5290, 5548, 6095, 6716, 6935, 7738, 8056, 8395, 8740, 9752, 10051, 10070, 10580, 11096, 12190, 13432, 13870, 15476, 16790, 17480, 19345, 20102, 20140, 21160, 23161, 24380, 27740, 28037, 30952, 31901, 33580, 38617, 38690, 40204, 40280, 46322, 48760, 50255, 55480, 56074, 63802, 67160, 73511, 77234, 77380, 80408, 88987, 92644, 100510, 112148, 115805, 127604, 140185, 147022, 154468, 154760, 159505, 177974, 185288, 193085, 201020, 224296, 231610, 255208, 280370, 294044, 308936, 319010, 355948, 367555, 386170, 402040, 444935, 463220, 532703, 560740, 588088, 638020, 711896, 733723, 735110, 772340, 889870, 926440, 1065406, 1121480, 1276040, 1467446, 1470220, 1544680, 1690753, 1779740, 2046701, 2130812, 2663515, 2934892, 2940440, 3381506, 3559480, 3668615, 4093402, 4261624, 5327030, 5869784, 6763012, 7337230, 8186804, 8453765, 10233505, 10654060, 13526024, 14674460, 16373608, 16907530, 20467010, 21308120, 29348920, 33815060, 38887319, 40934020, 67630120, 77774638, 81868040, 155549276, 194436595, 311098552, 388873190, 777746380, 1555492760]

約数ペア:

[(1, 1555492760), (2, 777746380), (4, 388873190), (5, 311098552), (8, 194436595), (10, 155549276), (19, 81868040), (20, 77774638), (23, 67630120), (38, 40934020), (40, 38887319), (46, 33815060), (53, 29348920), (73, 21308120), (76, 20467010), (92, 16907530), (95, 16373608), (106, 14674460), (115, 13526024), (146, 10654060), (152, 10233505), (184, 8453765), (190, 8186804), (212, 7337230), (230, 6763012), (265, 5869784), (292, 5327030), (365, 4261624), (380, 4093402), (424, 3668615), (437, 3559480), (460, 3381506), (529, 2940440), (530, 2934892), (584, 2663515), (730, 2130812), (760, 2046701), (874, 1779740), (920, 1690753), (1007, 1544680), (1058, 1470220), (1060, 1467446), (1219, 1276040), (1387, 1121480), (1460, 1065406), (1679, 926440), (1748, 889870), (2014, 772340), (2116, 735110), (2120, 733723), (2185, 711896), (2438, 638020), (2645, 588088), (2774, 560740), (2920, 532703), (3358, 463220), (3496, 444935), (3869, 402040), (4028, 386170), (4232, 367555), (4370, 355948), (4876, 319010), (5035, 308936), (5290, 294044), (5548, 280370), (6095, 255208), (6716, 231610), (6935, 224296), (7738, 201020), (8056, 193085), (8395, 185288), (8740, 177974), (9752, 159505), (10051, 154760), (10070, 154468), (10580, 147022), (11096, 140185), (12190, 127604), (13432, 115805), (13870, 112148), (15476, 100510), (16790, 92644), (17480, 88987), (19345, 80408), (20102, 77380), (20140, 77234), (21160, 73511), (23161, 67160), (24380, 63802), (27740, 56074), (28037, 55480), (30952, 50255), (31901, 48760), (33580, 46322), (38617, 40280), (38690, 40204)]