399565440

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1217}}^1$

素因数の和:1264

約数の個数: 256

約数和(自身を含む): 1490832000

約数和(自身を除く): 1091266560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 64, 72, 76, 80, 90, 95, 96, 108, 114, 120, 128, 135, 144, 152, 160, 171, 180, 190, 192, 216, 228, 240, 270, 285, 288, 304, 320, 342, 360, 380, 384, 432, 456, 480, 513, 540, 570, 576, 608, 640, 684, 720, 760, 855, 864, 912, 960, 1026, 1080, 1140, 1152, 1216, 1217, 1368, 1440, 1520, 1710, 1728, 1824, 1920, 2052, 2160, 2280, 2432, 2434, 2565, 2736, 2880, 3040, 3420, 3456, 3648, 3651, 4104, 4320, 4560, 4868, 5130, 5472, 5760, 6080, 6085, 6840, 7296, 7302, 8208, 8640, 9120, 9736, 10260, 10944, 10953, 12160, 12170, 13680, 14604, 16416, 17280, 18240, 18255, 19472, 20520, 21888, 21906, 23123, 24340, 27360, 29208, 32832, 32859, 36480, 36510, 38944, 41040, 43812, 46246, 48680, 54720, 54765, 58416, 65664, 65718, 69369, 73020, 77888, 82080, 87624, 92492, 97360, 109440, 109530, 115615, 116832, 131436, 138738, 146040, 155776, 164160, 164295, 175248, 184984, 194720, 208107, 219060, 231230, 233664, 262872, 277476, 292080, 328320, 328590, 346845, 350496, 369968, 389440, 416214, 438120, 462460, 467328, 525744, 554952, 584160, 624321, 657180, 693690, 700992, 739936, 778880, 832428, 876240, 924920, 1040535, 1051488, 1109904, 1168320, 1248642, 1314360, 1387380, 1401984, 1479872, 1664856, 1752480, 1849840, 2081070, 2102976, 2219808, 2336640, 2497284, 2628720, 2774760, 2959744, 3121605, 3329712, 3504960, 3699680, 4162140, 4205952, 4439616, 4994568, 5257440, 5549520, 6243210, 6659424, 7009920, 7399360, 8324280, 8879232, 9989136, 10514880, 11099040, 12486420, 13318848, 14798720, 16648560, 19978272, 21029760, 22198080, 24972840, 26637696, 33297120, 39956544, 44396160, 49945680, 66594240, 79913088, 99891360, 133188480, 199782720, 399565440]

約数ペア:

[(1, 399565440), (2, 199782720), (3, 133188480), (4, 99891360), (5, 79913088), (6, 66594240), (8, 49945680), (9, 44396160), (10, 39956544), (12, 33297120), (15, 26637696), (16, 24972840), (18, 22198080), (19, 21029760), (20, 19978272), (24, 16648560), (27, 14798720), (30, 13318848), (32, 12486420), (36, 11099040), (38, 10514880), (40, 9989136), (45, 8879232), (48, 8324280), (54, 7399360), (57, 7009920), (60, 6659424), (64, 6243210), (72, 5549520), (76, 5257440), (80, 4994568), (90, 4439616), (95, 4205952), (96, 4162140), (108, 3699680), (114, 3504960), (120, 3329712), (128, 3121605), (135, 2959744), (144, 2774760), (152, 2628720), (160, 2497284), (171, 2336640), (180, 2219808), (190, 2102976), (192, 2081070), (216, 1849840), (228, 1752480), (240, 1664856), (270, 1479872), (285, 1401984), (288, 1387380), (304, 1314360), (320, 1248642), (342, 1168320), (360, 1109904), (380, 1051488), (384, 1040535), (432, 924920), (456, 876240), (480, 832428), (513, 778880), (540, 739936), (570, 700992), (576, 693690), (608, 657180), (640, 624321), (684, 584160), (720, 554952), (760, 525744), (855, 467328), (864, 462460), (912, 438120), (960, 416214), (1026, 389440), (1080, 369968), (1140, 350496), (1152, 346845), (1216, 328590), (1217, 328320), (1368, 292080), (1440, 277476), (1520, 262872), (1710, 233664), (1728, 231230), (1824, 219060), (1920, 208107), (2052, 194720), (2160, 184984), (2280, 175248), (2432, 164295), (2434, 164160), (2565, 155776), (2736, 146040), (2880, 138738), (3040, 131436), (3420, 116832), (3456, 115615), (3648, 109530), (3651, 109440), (4104, 97360), (4320, 92492), (4560, 87624), (4868, 82080), (5130, 77888), (5472, 73020), (5760, 69369), (6080, 65718), (6085, 65664), (6840, 58416), (7296, 54765), (7302, 54720), (8208, 48680), (8640, 46246), (9120, 43812), (9736, 41040), (10260, 38944), (10944, 36510), (10953, 36480), (12160, 32859), (12170, 32832), (13680, 29208), (14604, 27360), (16416, 24340), (17280, 23123), (18240, 21906), (18255, 21888), (19472, 20520)]