1638409920

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{479}}^1\times {\mathrm{509}}^1$

素因数の和:1015

約数の個数: 224

約数和(自身を含む): 5969203200

約数和(自身を除く): 4330793280

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, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 479, 480, 509, 560, 672, 840, 958, 960, 1018, 1120, 1344, 1437, 1527, 1680, 1916, 2036, 2240, 2395, 2545, 2874, 3054, 3353, 3360, 3563, 3832, 4072, 4790, 5090, 5748, 6108, 6706, 6720, 7126, 7185, 7635, 7664, 8144, 9580, 10059, 10180, 10689, 11496, 12216, 13412, 14252, 14370, 15270, 15328, 16288, 16765, 17815, 19160, 20118, 20360, 21378, 22992, 24432, 26824, 28504, 28740, 30540, 30656, 32576, 33530, 35630, 38320, 40236, 40720, 42756, 45984, 48864, 50295, 53445, 53648, 57008, 57480, 61080, 67060, 71260, 76640, 80472, 81440, 85512, 91968, 97728, 100590, 106890, 107296, 114016, 114960, 122160, 134120, 142520, 153280, 160944, 162880, 171024, 201180, 213780, 214592, 228032, 229920, 243811, 244320, 268240, 285040, 321888, 342048, 402360, 427560, 459840, 487622, 488640, 536480, 570080, 643776, 684096, 731433, 804720, 855120, 975244, 1072960, 1140160, 1219055, 1462866, 1609440, 1706677, 1710240, 1950488, 2438110, 2925732, 3218880, 3413354, 3420480, 3657165, 3900976, 4876220, 5120031, 5851464, 6826708, 7314330, 7801952, 8533385, 9752440, 10240062, 11702928, 13653416, 14628660, 15603904, 17066770, 19504880, 20480124, 23405856, 25600155, 27306832, 29257320, 34133540, 39009760, 40960248, 46811712, 51200310, 54613664, 58514640, 68267080, 78019520, 81920496, 102400620, 109227328, 117029280, 136534160, 163840992, 204801240, 234058560, 273068320, 327681984, 409602480, 546136640, 819204960, 1638409920]

約数ペア:

[(1, 1638409920), (2, 819204960), (3, 546136640), (4, 409602480), (5, 327681984), (6, 273068320), (7, 234058560), (8, 204801240), (10, 163840992), (12, 136534160), (14, 117029280), (15, 109227328), (16, 102400620), (20, 81920496), (21, 78019520), (24, 68267080), (28, 58514640), (30, 54613664), (32, 51200310), (35, 46811712), (40, 40960248), (42, 39009760), (48, 34133540), (56, 29257320), (60, 27306832), (64, 25600155), (70, 23405856), (80, 20480124), (84, 19504880), (96, 17066770), (105, 15603904), (112, 14628660), (120, 13653416), (140, 11702928), (160, 10240062), (168, 9752440), (192, 8533385), (210, 7801952), (224, 7314330), (240, 6826708), (280, 5851464), (320, 5120031), (336, 4876220), (420, 3900976), (448, 3657165), (479, 3420480), (480, 3413354), (509, 3218880), (560, 2925732), (672, 2438110), (840, 1950488), (958, 1710240), (960, 1706677), (1018, 1609440), (1120, 1462866), (1344, 1219055), (1437, 1140160), (1527, 1072960), (1680, 975244), (1916, 855120), (2036, 804720), (2240, 731433), (2395, 684096), (2545, 643776), (2874, 570080), (3054, 536480), (3353, 488640), (3360, 487622), (3563, 459840), (3832, 427560), (4072, 402360), (4790, 342048), (5090, 321888), (5748, 285040), (6108, 268240), (6706, 244320), (6720, 243811), (7126, 229920), (7185, 228032), (7635, 214592), (7664, 213780), (8144, 201180), (9580, 171024), (10059, 162880), (10180, 160944), (10689, 153280), (11496, 142520), (12216, 134120), (13412, 122160), (14252, 114960), (14370, 114016), (15270, 107296), (15328, 106890), (16288, 100590), (16765, 97728), (17815, 91968), (19160, 85512), (20118, 81440), (20360, 80472), (21378, 76640), (22992, 71260), (24432, 67060), (26824, 61080), (28504, 57480), (28740, 57008), (30540, 53648), (30656, 53445), (32576, 50295), (33530, 48864), (35630, 45984), (38320, 42756), (40236, 40720)]