644449872

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:218

約数の個数: 240

約数和(自身を含む): 1987747776

約数和(自身を除く): 1343297904

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 17, 22, 24, 33, 34, 44, 48, 51, 61, 66, 68, 88, 102, 107, 121, 122, 132, 136, 176, 183, 187, 204, 214, 242, 244, 264, 272, 321, 363, 366, 374, 408, 428, 484, 488, 528, 561, 642, 671, 726, 732, 748, 816, 856, 968, 976, 1037, 1122, 1177, 1284, 1342, 1452, 1464, 1496, 1712, 1819, 1936, 2013, 2057, 2074, 2244, 2354, 2568, 2684, 2904, 2928, 2992, 3111, 3531, 3638, 4026, 4114, 4148, 4488, 4708, 5136, 5368, 5457, 5808, 6171, 6222, 6527, 7062, 7276, 7381, 8052, 8228, 8296, 8976, 9416, 10736, 10914, 11407, 12342, 12444, 12947, 13054, 14124, 14552, 14762, 16104, 16456, 16592, 18832, 19581, 20009, 21828, 22143, 22814, 24684, 24888, 25894, 26108, 28248, 29104, 29524, 32208, 32912, 34221, 38841, 39162, 40018, 43656, 44286, 45628, 49368, 49776, 51788, 52216, 56496, 59048, 60027, 68442, 71797, 77682, 78324, 80036, 87312, 88572, 91256, 98736, 103576, 104432, 110959, 118096, 120054, 125477, 136884, 143594, 155364, 156648, 160072, 177144, 182512, 207152, 215391, 220099, 221918, 240108, 250954, 273768, 287188, 310728, 313296, 320144, 332877, 354288, 376431, 430782, 440198, 443836, 480216, 501908, 547536, 574376, 621456, 660297, 665754, 752862, 789767, 861564, 880396, 887672, 960432, 1003816, 1148752, 1220549, 1320594, 1331508, 1505724, 1579534, 1723128, 1760792, 1775344, 2007632, 2369301, 2441098, 2641188, 2663016, 3011448, 3159068, 3446256, 3521584, 3661647, 4738602, 4882196, 5282376, 5326032, 6022896, 6318136, 7323294, 9477204, 9764392, 10564752, 12636272, 13426039, 14646588, 18954408, 19528784, 26852078, 29293176, 37908816, 40278117, 53704156, 58586352, 80556234, 107408312, 161112468, 214816624, 322224936, 644449872]

約数ペア:

[(1, 644449872), (2, 322224936), (3, 214816624), (4, 161112468), (6, 107408312), (8, 80556234), (11, 58586352), (12, 53704156), (16, 40278117), (17, 37908816), (22, 29293176), (24, 26852078), (33, 19528784), (34, 18954408), (44, 14646588), (48, 13426039), (51, 12636272), (61, 10564752), (66, 9764392), (68, 9477204), (88, 7323294), (102, 6318136), (107, 6022896), (121, 5326032), (122, 5282376), (132, 4882196), (136, 4738602), (176, 3661647), (183, 3521584), (187, 3446256), (204, 3159068), (214, 3011448), (242, 2663016), (244, 2641188), (264, 2441098), (272, 2369301), (321, 2007632), (363, 1775344), (366, 1760792), (374, 1723128), (408, 1579534), (428, 1505724), (484, 1331508), (488, 1320594), (528, 1220549), (561, 1148752), (642, 1003816), (671, 960432), (726, 887672), (732, 880396), (748, 861564), (816, 789767), (856, 752862), (968, 665754), (976, 660297), (1037, 621456), (1122, 574376), (1177, 547536), (1284, 501908), (1342, 480216), (1452, 443836), (1464, 440198), (1496, 430782), (1712, 376431), (1819, 354288), (1936, 332877), (2013, 320144), (2057, 313296), (2074, 310728), (2244, 287188), (2354, 273768), (2568, 250954), (2684, 240108), (2904, 221918), (2928, 220099), (2992, 215391), (3111, 207152), (3531, 182512), (3638, 177144), (4026, 160072), (4114, 156648), (4148, 155364), (4488, 143594), (4708, 136884), (5136, 125477), (5368, 120054), (5457, 118096), (5808, 110959), (6171, 104432), (6222, 103576), (6527, 98736), (7062, 91256), (7276, 88572), (7381, 87312), (8052, 80036), (8228, 78324), (8296, 77682), (8976, 71797), (9416, 68442), (10736, 60027), (10914, 59048), (11407, 56496), (12342, 52216), (12444, 51788), (12947, 49776), (13054, 49368), (14124, 45628), (14552, 44286), (14762, 43656), (16104, 40018), (16456, 39162), (16592, 38841), (18832, 34221), (19581, 32912), (20009, 32208), (21828, 29524), (22143, 29104), (22814, 28248), (24684, 26108), (24888, 25894)]