1388163840

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1201}}^1$

素因数の和:1275

約数の個数: 288

約数和(自身を含む): 5188947456

約数和(自身を除く): 3800783616

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 43, 48, 56, 60, 64, 70, 80, 84, 86, 96, 105, 112, 120, 128, 129, 140, 160, 168, 172, 192, 210, 215, 224, 240, 256, 258, 280, 301, 320, 336, 344, 384, 420, 430, 448, 480, 516, 560, 602, 640, 645, 672, 688, 768, 840, 860, 896, 903, 960, 1032, 1120, 1201, 1204, 1280, 1290, 1344, 1376, 1505, 1680, 1720, 1792, 1806, 1920, 2064, 2240, 2402, 2408, 2580, 2688, 2752, 3010, 3360, 3440, 3603, 3612, 3840, 4128, 4480, 4515, 4804, 4816, 5160, 5376, 5504, 6005, 6020, 6720, 6880, 7206, 7224, 8256, 8407, 8960, 9030, 9608, 9632, 10320, 11008, 12010, 12040, 13440, 13760, 14412, 14448, 16512, 16814, 18015, 18060, 19216, 19264, 20640, 24020, 24080, 25221, 26880, 27520, 28824, 28896, 33024, 33628, 36030, 36120, 38432, 38528, 41280, 42035, 48040, 48160, 50442, 51643, 55040, 57648, 57792, 67256, 72060, 72240, 76864, 77056, 82560, 84070, 96080, 96320, 100884, 103286, 115296, 115584, 126105, 134512, 144120, 144480, 153728, 154929, 165120, 168140, 192160, 192640, 201768, 206572, 230592, 231168, 252210, 258215, 269024, 288240, 288960, 307456, 309858, 336280, 361501, 384320, 385280, 403536, 413144, 461184, 504420, 516430, 538048, 576480, 577920, 619716, 672560, 723002, 768640, 774645, 807072, 826288, 922368, 1008840, 1032860, 1076096, 1084503, 1152960, 1155840, 1239432, 1345120, 1446004, 1537280, 1549290, 1614144, 1652576, 1807505, 2017680, 2065720, 2152192, 2169006, 2305920, 2478864, 2690240, 2892008, 3098580, 3228288, 3305152, 3615010, 4035360, 4131440, 4338012, 4611840, 4957728, 5380480, 5422515, 5784016, 6197160, 6456576, 6610304, 7230020, 8070720, 8262880, 8676024, 9915456, 10760960, 10845030, 11568032, 12394320, 13220608, 14460040, 16141440, 16525760, 17352048, 19830912, 21690060, 23136064, 24788640, 28920080, 32282880, 33051520, 34704096, 39661824, 43380120, 46272128, 49577280, 57840160, 66103040, 69408192, 86760240, 92544256, 99154560, 115680320, 138816384, 173520480, 198309120, 231360640, 277632768, 347040960, 462721280, 694081920, 1388163840]

約数ペア:

[(1, 1388163840), (2, 694081920), (3, 462721280), (4, 347040960), (5, 277632768), (6, 231360640), (7, 198309120), (8, 173520480), (10, 138816384), (12, 115680320), (14, 99154560), (15, 92544256), (16, 86760240), (20, 69408192), (21, 66103040), (24, 57840160), (28, 49577280), (30, 46272128), (32, 43380120), (35, 39661824), (40, 34704096), (42, 33051520), (43, 32282880), (48, 28920080), (56, 24788640), (60, 23136064), (64, 21690060), (70, 19830912), (80, 17352048), (84, 16525760), (86, 16141440), (96, 14460040), (105, 13220608), (112, 12394320), (120, 11568032), (128, 10845030), (129, 10760960), (140, 9915456), (160, 8676024), (168, 8262880), (172, 8070720), (192, 7230020), (210, 6610304), (215, 6456576), (224, 6197160), (240, 5784016), (256, 5422515), (258, 5380480), (280, 4957728), (301, 4611840), (320, 4338012), (336, 4131440), (344, 4035360), (384, 3615010), (420, 3305152), (430, 3228288), (448, 3098580), (480, 2892008), (516, 2690240), (560, 2478864), (602, 2305920), (640, 2169006), (645, 2152192), (672, 2065720), (688, 2017680), (768, 1807505), (840, 1652576), (860, 1614144), (896, 1549290), (903, 1537280), (960, 1446004), (1032, 1345120), (1120, 1239432), (1201, 1155840), (1204, 1152960), (1280, 1084503), (1290, 1076096), (1344, 1032860), (1376, 1008840), (1505, 922368), (1680, 826288), (1720, 807072), (1792, 774645), (1806, 768640), (1920, 723002), (2064, 672560), (2240, 619716), (2402, 577920), (2408, 576480), (2580, 538048), (2688, 516430), (2752, 504420), (3010, 461184), (3360, 413144), (3440, 403536), (3603, 385280), (3612, 384320), (3840, 361501), (4128, 336280), (4480, 309858), (4515, 307456), (4804, 288960), (4816, 288240), (5160, 269024), (5376, 258215), (5504, 252210), (6005, 231168), (6020, 230592), (6720, 206572), (6880, 201768), (7206, 192640), (7224, 192160), (8256, 168140), (8407, 165120), (8960, 154929), (9030, 153728), (9608, 144480), (9632, 144120), (10320, 134512), (11008, 126105), (12010, 115584), (12040, 115296), (13440, 103286), (13760, 100884), (14412, 96320), (14448, 96080), (16512, 84070), (16814, 82560), (18015, 77056), (18060, 76864), (19216, 72240), (19264, 72060), (20640, 67256), (24020, 57792), (24080, 57648), (25221, 55040), (26880, 51643), (27520, 50442), (28824, 48160), (28896, 48040), (33024, 42035), (33628, 41280), (36030, 38528), (36120, 38432)]