263906720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:755

約数の個数: 192

約数和(自身を含む): 803561472

約数和(自身を除く): 539654752

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 32, 35, 40, 44, 55, 56, 62, 70, 77, 80, 88, 110, 112, 124, 140, 154, 155, 160, 176, 217, 220, 224, 248, 280, 308, 310, 341, 352, 385, 434, 440, 496, 560, 616, 620, 682, 691, 770, 868, 880, 992, 1085, 1120, 1232, 1240, 1364, 1382, 1540, 1705, 1736, 1760, 2170, 2387, 2464, 2480, 2728, 2764, 3080, 3410, 3455, 3472, 4340, 4774, 4837, 4960, 5456, 5528, 6160, 6820, 6910, 6944, 7601, 8680, 9548, 9674, 10912, 11056, 11935, 12320, 13640, 13820, 15202, 17360, 19096, 19348, 21421, 22112, 23870, 24185, 27280, 27640, 30404, 34720, 38005, 38192, 38696, 42842, 47740, 48370, 53207, 54560, 55280, 60808, 76010, 76384, 77392, 85684, 95480, 96740, 106414, 107105, 110560, 121616, 149947, 152020, 154784, 171368, 190960, 193480, 212828, 214210, 235631, 243232, 266035, 299894, 304040, 342736, 381920, 386960, 425656, 428420, 471262, 532070, 599788, 608080, 685472, 749735, 773920, 851312, 856840, 942524, 1064140, 1178155, 1199576, 1216160, 1499470, 1649417, 1702624, 1713680, 1885048, 2128280, 2356310, 2399152, 2998940, 3298834, 3427360, 3770096, 4256560, 4712620, 4798304, 5997880, 6597668, 7540192, 8247085, 8513120, 9425240, 11995760, 13195336, 16494170, 18850480, 23991520, 26390672, 32988340, 37700960, 52781344, 65976680, 131953360, 263906720]

約数ペア:

[(1, 263906720), (2, 131953360), (4, 65976680), (5, 52781344), (7, 37700960), (8, 32988340), (10, 26390672), (11, 23991520), (14, 18850480), (16, 16494170), (20, 13195336), (22, 11995760), (28, 9425240), (31, 8513120), (32, 8247085), (35, 7540192), (40, 6597668), (44, 5997880), (55, 4798304), (56, 4712620), (62, 4256560), (70, 3770096), (77, 3427360), (80, 3298834), (88, 2998940), (110, 2399152), (112, 2356310), (124, 2128280), (140, 1885048), (154, 1713680), (155, 1702624), (160, 1649417), (176, 1499470), (217, 1216160), (220, 1199576), (224, 1178155), (248, 1064140), (280, 942524), (308, 856840), (310, 851312), (341, 773920), (352, 749735), (385, 685472), (434, 608080), (440, 599788), (496, 532070), (560, 471262), (616, 428420), (620, 425656), (682, 386960), (691, 381920), (770, 342736), (868, 304040), (880, 299894), (992, 266035), (1085, 243232), (1120, 235631), (1232, 214210), (1240, 212828), (1364, 193480), (1382, 190960), (1540, 171368), (1705, 154784), (1736, 152020), (1760, 149947), (2170, 121616), (2387, 110560), (2464, 107105), (2480, 106414), (2728, 96740), (2764, 95480), (3080, 85684), (3410, 77392), (3455, 76384), (3472, 76010), (4340, 60808), (4774, 55280), (4837, 54560), (4960, 53207), (5456, 48370), (5528, 47740), (6160, 42842), (6820, 38696), (6910, 38192), (6944, 38005), (7601, 34720), (8680, 30404), (9548, 27640), (9674, 27280), (10912, 24185), (11056, 23870), (11935, 22112), (12320, 21421), (13640, 19348), (13820, 19096), (15202, 17360)]