9990210816

素因数分解:

$2^8\times 3^4\times {\mathrm{23}}^1\times {\mathrm{20947}}^1$

素因数の和:20998

約数の個数: 180

約数和(自身を含む): 31085658912

約数和(自身を除く): 21095448096

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 64, 69, 72, 81, 92, 96, 108, 128, 138, 144, 162, 184, 192, 207, 216, 256, 276, 288, 324, 368, 384, 414, 432, 552, 576, 621, 648, 736, 768, 828, 864, 1104, 1152, 1242, 1296, 1472, 1656, 1728, 1863, 2208, 2304, 2484, 2592, 2944, 3312, 3456, 3726, 4416, 4968, 5184, 5888, 6624, 6912, 7452, 8832, 9936, 10368, 13248, 14904, 17664, 19872, 20736, 20947, 26496, 29808, 39744, 41894, 52992, 59616, 62841, 79488, 83788, 119232, 125682, 158976, 167576, 188523, 238464, 251364, 335152, 377046, 476928, 481781, 502728, 565569, 670304, 754092, 963562, 1005456, 1131138, 1340608, 1445343, 1508184, 1696707, 1927124, 2010912, 2262276, 2681216, 2890686, 3016368, 3393414, 3854248, 4021824, 4336029, 4524552, 5362432, 5781372, 6032736, 6786828, 7708496, 8043648, 8672058, 9049104, 11562744, 12065472, 13008087, 13573656, 15416992, 16087296, 17344116, 18098208, 23125488, 24130944, 26016174, 27147312, 30833984, 34688232, 36196416, 39024261, 46250976, 48261888, 52032348, 54294624, 61667968, 69376464, 72392832, 78048522, 92501952, 104064696, 108589248, 123335936, 138752928, 144785664, 156097044, 185003904, 208129392, 217178496, 277505856, 312194088, 370007808, 416258784, 434356992, 555011712, 624388176, 832517568, 1110023424, 1248776352, 1665035136, 2497552704, 3330070272, 4995105408, 9990210816]

約数ペア:

[(1, 9990210816), (2, 4995105408), (3, 3330070272), (4, 2497552704), (6, 1665035136), (8, 1248776352), (9, 1110023424), (12, 832517568), (16, 624388176), (18, 555011712), (23, 434356992), (24, 416258784), (27, 370007808), (32, 312194088), (36, 277505856), (46, 217178496), (48, 208129392), (54, 185003904), (64, 156097044), (69, 144785664), (72, 138752928), (81, 123335936), (92, 108589248), (96, 104064696), (108, 92501952), (128, 78048522), (138, 72392832), (144, 69376464), (162, 61667968), (184, 54294624), (192, 52032348), (207, 48261888), (216, 46250976), (256, 39024261), (276, 36196416), (288, 34688232), (324, 30833984), (368, 27147312), (384, 26016174), (414, 24130944), (432, 23125488), (552, 18098208), (576, 17344116), (621, 16087296), (648, 15416992), (736, 13573656), (768, 13008087), (828, 12065472), (864, 11562744), (1104, 9049104), (1152, 8672058), (1242, 8043648), (1296, 7708496), (1472, 6786828), (1656, 6032736), (1728, 5781372), (1863, 5362432), (2208, 4524552), (2304, 4336029), (2484, 4021824), (2592, 3854248), (2944, 3393414), (3312, 3016368), (3456, 2890686), (3726, 2681216), (4416, 2262276), (4968, 2010912), (5184, 1927124), (5888, 1696707), (6624, 1508184), (6912, 1445343), (7452, 1340608), (8832, 1131138), (9936, 1005456), (10368, 963562), (13248, 754092), (14904, 670304), (17664, 565569), (19872, 502728), (20736, 481781), (20947, 476928), (26496, 377046), (29808, 335152), (39744, 251364), (41894, 238464), (52992, 188523), (59616, 167576), (62841, 158976), (79488, 125682), (83788, 119232)]