816392320

素因数分解:

$2^7\times 5^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1$

素因数の和:406

約数の個数: 128

約数和(自身を含む): 2014214400

約数和(自身を除く): 1197822080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 79, 80, 128, 134, 158, 160, 241, 268, 316, 320, 335, 395, 482, 536, 632, 640, 670, 790, 964, 1072, 1205, 1264, 1340, 1580, 1928, 2144, 2410, 2528, 2680, 3160, 3856, 4288, 4820, 5056, 5293, 5360, 6320, 7712, 8576, 9640, 10112, 10586, 10720, 12640, 15424, 16147, 19039, 19280, 21172, 21440, 25280, 26465, 30848, 32294, 38078, 38560, 42344, 42880, 50560, 52930, 64588, 76156, 77120, 80735, 84688, 95195, 105860, 129176, 152312, 154240, 161470, 169376, 190390, 211720, 258352, 304624, 322940, 338752, 380780, 423440, 516704, 609248, 645880, 677504, 761560, 846880, 1033408, 1218496, 1275613, 1291760, 1523120, 1693760, 2066816, 2436992, 2551226, 2583520, 3046240, 3387520, 5102452, 5167040, 6092480, 6378065, 10204904, 10334080, 12184960, 12756130, 20409808, 25512260, 40819616, 51024520, 81639232, 102049040, 163278464, 204098080, 408196160, 816392320]

約数ペア:

[(1, 816392320), (2, 408196160), (4, 204098080), (5, 163278464), (8, 102049040), (10, 81639232), (16, 51024520), (20, 40819616), (32, 25512260), (40, 20409808), (64, 12756130), (67, 12184960), (79, 10334080), (80, 10204904), (128, 6378065), (134, 6092480), (158, 5167040), (160, 5102452), (241, 3387520), (268, 3046240), (316, 2583520), (320, 2551226), (335, 2436992), (395, 2066816), (482, 1693760), (536, 1523120), (632, 1291760), (640, 1275613), (670, 1218496), (790, 1033408), (964, 846880), (1072, 761560), (1205, 677504), (1264, 645880), (1340, 609248), (1580, 516704), (1928, 423440), (2144, 380780), (2410, 338752), (2528, 322940), (2680, 304624), (3160, 258352), (3856, 211720), (4288, 190390), (4820, 169376), (5056, 161470), (5293, 154240), (5360, 152312), (6320, 129176), (7712, 105860), (8576, 95195), (9640, 84688), (10112, 80735), (10586, 77120), (10720, 76156), (12640, 64588), (15424, 52930), (16147, 50560), (19039, 42880), (19280, 42344), (21172, 38560), (21440, 38078), (25280, 32294), (26465, 30848)]