311542560

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{997}}^1$

素因数の和:1056

約数の個数: 288

約数和(自身を含む): 1255468032

約数和(自身を除く): 943925472

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 96, 105, 112, 120, 124, 126, 140, 144, 155, 160, 168, 180, 186, 210, 217, 224, 240, 248, 252, 279, 280, 288, 310, 315, 336, 360, 372, 420, 434, 465, 480, 496, 504, 558, 560, 620, 630, 651, 672, 720, 744, 840, 868, 930, 992, 997, 1008, 1085, 1116, 1120, 1240, 1260, 1302, 1395, 1440, 1488, 1680, 1736, 1860, 1953, 1994, 2016, 2170, 2232, 2480, 2520, 2604, 2790, 2976, 2991, 3255, 3360, 3472, 3720, 3906, 3988, 4340, 4464, 4960, 4985, 5040, 5208, 5580, 5982, 6510, 6944, 6979, 7440, 7812, 7976, 8680, 8928, 8973, 9765, 9970, 10080, 10416, 11160, 11964, 13020, 13958, 14880, 14955, 15624, 15952, 17360, 17946, 19530, 19940, 20832, 20937, 22320, 23928, 26040, 27916, 29910, 30907, 31248, 31904, 34720, 34895, 35892, 39060, 39880, 41874, 44640, 44865, 47856, 52080, 55832, 59820, 61814, 62496, 62811, 69790, 71784, 78120, 79760, 83748, 89730, 92721, 95712, 104160, 104685, 111664, 119640, 123628, 125622, 139580, 143568, 154535, 156240, 159520, 167496, 179460, 185442, 209370, 216349, 223328, 239280, 247256, 251244, 278163, 279160, 287136, 309070, 312480, 314055, 334992, 358920, 370884, 418740, 432698, 463605, 478560, 494512, 502488, 556326, 558320, 618140, 628110, 649047, 669984, 717840, 741768, 837480, 865396, 927210, 989024, 1004976, 1081745, 1112652, 1116640, 1236280, 1256220, 1298094, 1390815, 1435680, 1483536, 1674960, 1730792, 1854420, 1947141, 2009952, 2163490, 2225304, 2472560, 2512440, 2596188, 2781630, 2967072, 3245235, 3349920, 3461584, 3708840, 3894282, 4326980, 4450608, 4945120, 5024880, 5192376, 5563260, 6490470, 6923168, 7417680, 7788564, 8653960, 8901216, 9735705, 10049760, 10384752, 11126520, 12980940, 14835360, 15577128, 17307920, 19471410, 20769504, 22253040, 25961880, 31154256, 34615840, 38942820, 44506080, 51923760, 62308512, 77885640, 103847520, 155771280, 311542560]

約数ペア:

[(1, 311542560), (2, 155771280), (3, 103847520), (4, 77885640), (5, 62308512), (6, 51923760), (7, 44506080), (8, 38942820), (9, 34615840), (10, 31154256), (12, 25961880), (14, 22253040), (15, 20769504), (16, 19471410), (18, 17307920), (20, 15577128), (21, 14835360), (24, 12980940), (28, 11126520), (30, 10384752), (31, 10049760), (32, 9735705), (35, 8901216), (36, 8653960), (40, 7788564), (42, 7417680), (45, 6923168), (48, 6490470), (56, 5563260), (60, 5192376), (62, 5024880), (63, 4945120), (70, 4450608), (72, 4326980), (80, 3894282), (84, 3708840), (90, 3461584), (93, 3349920), (96, 3245235), (105, 2967072), (112, 2781630), (120, 2596188), (124, 2512440), (126, 2472560), (140, 2225304), (144, 2163490), (155, 2009952), (160, 1947141), (168, 1854420), (180, 1730792), (186, 1674960), (210, 1483536), (217, 1435680), (224, 1390815), (240, 1298094), (248, 1256220), (252, 1236280), (279, 1116640), (280, 1112652), (288, 1081745), (310, 1004976), (315, 989024), (336, 927210), (360, 865396), (372, 837480), (420, 741768), (434, 717840), (465, 669984), (480, 649047), (496, 628110), (504, 618140), (558, 558320), (560, 556326), (620, 502488), (630, 494512), (651, 478560), (672, 463605), (720, 432698), (744, 418740), (840, 370884), (868, 358920), (930, 334992), (992, 314055), (997, 312480), (1008, 309070), (1085, 287136), (1116, 279160), (1120, 278163), (1240, 251244), (1260, 247256), (1302, 239280), (1395, 223328), (1440, 216349), (1488, 209370), (1680, 185442), (1736, 179460), (1860, 167496), (1953, 159520), (1994, 156240), (2016, 154535), (2170, 143568), (2232, 139580), (2480, 125622), (2520, 123628), (2604, 119640), (2790, 111664), (2976, 104685), (2991, 104160), (3255, 95712), (3360, 92721), (3472, 89730), (3720, 83748), (3906, 79760), (3988, 78120), (4340, 71784), (4464, 69790), (4960, 62811), (4985, 62496), (5040, 61814), (5208, 59820), (5580, 55832), (5982, 52080), (6510, 47856), (6944, 44865), (6979, 44640), (7440, 41874), (7812, 39880), (7976, 39060), (8680, 35892), (8928, 34895), (8973, 34720), (9765, 31904), (9970, 31248), (10080, 30907), (10416, 29910), (11160, 27916), (11964, 26040), (13020, 23928), (13958, 22320), (14880, 20937), (14955, 20832), (15624, 19940), (15952, 19530), (17360, 17946)]